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Diffstat (limited to '.local/lib/git-core/git-subrepo')
-rwxr-xr-x | .local/lib/git-core/git-subrepo | 1897 |
1 files changed, 0 insertions, 1897 deletions
diff --git a/.local/lib/git-core/git-subrepo b/.local/lib/git-core/git-subrepo deleted file mode 100755 index 3865570..0000000 --- a/.local/lib/git-core/git-subrepo +++ /dev/null @@ -1,1897 +0,0 @@ -#!/usr/bin/env bash -# -# -# Copyright 2013-2020 - Ingy döt Net <ingy@ingy.net> -# - - -# Exit on any errors: -set -e - -# Import Bash+ helper functions: -SOURCE="$BASH_SOURCE" -while [[ -h $SOURCE ]]; do - DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )" - SOURCE="$(readlink "$SOURCE")" - [[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE" -done -SOURCE_DIR="$(dirname "$SOURCE")" - -if [[ -z "$GIT_SUBREPO_ROOT" ]]; then - # If `make install` installation used: - source "${SOURCE_DIR}/git-subrepo.d/bash+.bash" -else - # If `source .rc` method used: - source "${SOURCE_DIR}/../ext/bashplus/lib/bash+.bash" -fi -bash+:import :std can - -VERSION=0.4.1 -REQUIRED_GIT_VERSION=2.7.0 -GIT_TMP="$(git rev-parse --git-common-dir 2> /dev/null || echo .git)/tmp" - -# `git rev-parse` turns this into a getopt parser and a command usage message: -GETOPT_SPEC="\ -git subrepo <command> <arguments> <options> - -Commands: - clone Clone a remote repository into a local subdirectory - init Turn a current subdirectory into a subrepo - pull Pull upstream changes to the subrepo - push Push local subrepo changes upstream - - fetch Fetch a subrepo's remote branch (and create a ref for it) - branch Create a branch containing the local subrepo commits - commit Commit a merged subrepo branch into the mainline - - status Get status of a subrepo (or all of them) - clean Remove branches, remotes and refs for a subrepo - config Set subrepo configuration properties - - help Documentation for git-subrepo (or specific command) - version Display git-subrepo version info - upgrade Upgrade the git-subrepo software itself - -See 'git help subrepo' for complete documentation and usage of each command. - -Options: --- -h Show the command summary -help Help overview -version Print the git-subrepo version number - -a,all Perform command on all current subrepos -A,ALL Perform command on all subrepos and subsubrepos -b,branch= Specify the upstream branch to push/pull/fetch -e,edit Edit commit message -f,force Force certain operations -F,fetch Fetch the upstream content first -M,method= Method when you join, valid options are 'merge' or 'rebase' - Default is 'merge' -m,message= Specify a commit message -r,remote= Specify the upstream remote to push/pull/fetch -s,squash Squash commits on push -u,update Add the --branch and/or --remote overrides to .gitrepo - -q,quiet Show minimal output -v,verbose Show verbose output -d,debug Show the actual commands used -x,DEBUG Turn on -x Bash debugging -" - -#------------------------------------------------------------------------------ -# Top level function: -#------------------------------------------------------------------------------ -main() { - # Define global variables: - local command= # Subrepo subcommand to run - local command_arguments=() # Command args after getopt parsing - local commit_msg_args=() # Arguments to show in the commit msg - local subrepos=() # List of multiple subrepos - - local all_wanted=false # Apply command to all subrepos - local ALL_wanted=false # Apply command to all subrepos and subsubrepos - local force_wanted=false # Force certain operations - local fetch_wanted=false # Fetch requested before a command - local squash_wanted=false # Squash commits on push - local update_wanted=false # Update .gitrepo with --branch and/or --remote - - local quiet_wanted=false # Output should be quiet - local verbose_wanted=false # Output should be verbose - local debug_wanted=false # Show debug messages - - local subdir= # Subdirectory of the subrepo being used - local subref= # Valid git ref format of subdir - local gitrepo= # Path to .gitrepo file - local worktree= # Worktree created by 'git worktree' - local start_pwd=$(pwd) # Store the original directory - - local original_head_commit= # HEAD commit id at start of command - local original_head_branch= # HEAD ref at start of command - local upstream_head_commit= # HEAD commit id from a subrepo fetch - - local subrepo_remote= # Remote url for subrepo's upstream repo - local subrepo_branch= # Upstream branch to clone/push/pull - local subrepo_commit= # Upstream HEAD from previous clone/pull - local subrepo_parent= # Local commit from before previous clone/pull - local subrepo_former= # A retired gitrepo key that might still exist - - local refs_subrepo_branch= # A subrepo ref -> commit of branch/pull command - local refs_subrepo_commit= # A subrepo ref -> commit last merged - local refs_subrepo_fetch= # A subrepo ref -> FETCH_HEAD after fetch - local refs_subrepo_push= # A subrepo ref -> branch after push - - local override_remote= # Remote specified with -r - local override_branch= # Remote specified with -b - - local edit_wanted=false # Edit commit message using -e - local wanted_commit_message= # Custom commit message using -m - - local join_method= # Current join method (rebase/merge) - - local FAIL=true # Flag for RUN: fail on error - local OUT=false # Flag for RUN: put output in $output - local TTY=false # Flag for RUN: print output directly - local SAY=true # Flag for RUN: print command for verbose - local EXEC=false # Flag for RUN: run subprocess - local OK=true # Flag that commands have succeeded - local CODE=0 # Failure reason code - local INDENT= # Verbose indentation - - local git_version= # Git version in use - - # Check environment and parse CLI options: - assert-environment-ok - - # Parse and validate command options: - get-command-options "$@" - - # Make sure repo is in the proper state: - assert-repo-is-ready - - command-init - - if $all_wanted && [[ ! $command =~ ^(help|status)$ ]]; then - # Run the command on all subrepos - local args=( "${command_arguments[@]}" ) - get-all-subrepos - for subdir in ${subrepos[*]}; do - command-prepare - subrepo_remote= - subrepo_branch= - command_arguments=( "$subdir" "${args[@]}" ) - "command:$command" - done - else - # Run the command on a specific subrepo - command-prepare - "command:$command" - fi -} - -#------------------------------------------------------------------------------ -# API command functions. -# -# Most of these commands call a subrepo:$command function to do the actual -# work. The user facing output (via `say`) is done up here. The -# subrepo:* worker functions are meant to be called internally and don't print -# info to the user. -#------------------------------------------------------------------------------ - -# `git subrepo clone <url> [<subdir>]` command: -command:clone() { - command-setup +subrepo_remote subdir:guess-subdir - - # Clone (or reclone) the subrepo into the subdir: - local reclone_up_to_date=false - subrepo:clone - if "$reclone_up_to_date"; then - say "Subrepo '$subdir' is up to date." - return - fi - - # Successful command output: - local re= - $force_wanted && re=re - local remote="$subrepo_remote" - say "Subrepo '$remote' ($subrepo_branch) ${re}cloned into '$subdir'." -} - -# `git subrepo init <subdir>` command: -command:init() { - command-setup +subdir - local remote="${subrepo_remote:=none}" - local branch="${subrepo_branch:=master}" - - # Init new subrepo from the subdir: - subrepo:init - if OK; then - if [[ $remote == none ]]; then - say "Subrepo created from '$subdir' (with no remote)." - else - say "Subrepo created from '$subdir' with remote '$remote' ($branch)." - fi - else - die "Unknown init error code: '$CODE'" - fi - return 0 -} - -# `git subrepo pull <subdir>` command: -command:pull() { - command-setup +subdir - - subrepo:pull - if OK; then - say "Subrepo '$subdir' pulled from '$subrepo_remote' ($subrepo_branch)." - elif [[ $CODE -eq -1 ]]; then - say "Subrepo '$subdir' is up to date." - elif [[ $CODE -eq 1 ]]; then - error-join - return "$CODE" - else - die "Unknown pull error code: '$CODE'" - fi - return 0 -} - -# `git subrepo push <subdir>` command: -command:push() { - local branch= - command-setup +subdir branch - - subrepo:push - if OK; then - say "Subrepo '$subdir' pushed to '$subrepo_remote' ($subrepo_branch)." - elif [[ $CODE -eq -2 ]]; then - say "Subrepo '$subdir' has no new commits to push." - elif [[ $CODE -eq 1 ]]; then - error-join - return "$CODE" - else - die "Unknown push error code: '$CODE'" - fi - return 0 -} - -# `git subrepo fetch <subdir>` command -command:fetch() { - command-setup +subdir - if [[ $subrepo_remote == "none" ]]; then - say "Ignored '$subdir', no remote." - else - subrepo:fetch - say "Fetched '$subdir' from '$subrepo_remote' ($subrepo_branch)." - fi -} - -# `git subrepo branch <subdir>` command: -command:branch() { - command-setup +subdir - if $fetch_wanted; then - CALL subrepo:fetch - fi - - local branch="subrepo/$subref" - if $force_wanted; then - # We must make sure that the worktree is removed as well - worktree="$GIT_TMP/$branch" - git:delete-branch "$branch" - fi - - if git:branch-exists "$branch"; then - error "Branch '$branch' already exists. Use '--force' to override." - fi - - # Create the subrepo branch: - subrepo:branch - - say "Created branch '$branch' and worktree '$worktree'." -} - -# `git subrepo commit <subdir>` command -command:commit() { - command-setup +subdir subrepo_commit_ref - - if "$fetch_wanted"; then - CALL subrepo:fetch - fi - git:rev-exists "$refs_subrepo_fetch" || - error "Can't find ref '$refs_subrepo_fetch'. Try using -F." - upstream_head_commit="$(git rev-parse "$refs_subrepo_fetch")" - - [[ -n $subrepo_commit_ref ]] || - subrepo_commit_ref="subrepo/$subref" - subrepo:commit - - say "Subrepo commit '$subrepo_commit_ref' committed as" - say "subdir '$subdir/' to branch '$original_head_branch'." -} - -# `git subrepo status [<subdir>]` command: -command:status() { - subrepo:status | ${GIT_SUBREPO_PAGER} -} - -status-refs() { - local output= - while read line; do - [[ $line =~ ^([0-9a-f]+)\ refs/subrepo/$subref/([a-z]+) ]] || continue - local sha1=; sha1="$(git rev-parse --short "${BASH_REMATCH[1]}")" - local type="${BASH_REMATCH[2]}" - local ref="refs/subrepo/$subref/$type" - if [[ $type == branch ]]; then - output+=" Branch Ref: $sha1 ($ref)"$'\n' - elif [[ $type == commit ]]; then - output+=" Commit Ref: $sha1 ($ref)"$'\n' - elif [[ $type == fetch ]]; then - output+=" Fetch Ref: $sha1 ($ref)"$'\n' - elif [[ $type == pull ]]; then - output+=" Pull Ref: $sha1 ($ref)"$'\n' - elif [[ $type == push ]]; then - output+=" Push Ref: $sha1 ($ref)"$'\n' - fi - done < <(git show-ref) - if [[ -n $output ]]; then - printf " Refs:\n$output" - fi -} - -# `git subrepo clean <subdir>` command -command:clean() { - command-setup +subdir - local clean_list=() - subrepo:clean - for item in "${clean_list[@]}"; do - say "Removed $item." - done -} - -# Wrap git config $gitrepo -command:config() { - command-setup +subdir +config_option config_value - o "Update '$subdir' configuration with $config_option=$config_value" - - if [[ ! $config_option =~ ^(branch|cmdver|commit|method|remote|version)$ ]]; then - error "Option $config_option not recognized" - fi - - if [[ -z $config_value ]]; then - OUT=true RUN git config --file="$gitrepo" "subrepo.$config_option" - say "Subrepo '$subdir' option '$config_option' has value '$output'." - return - fi - - if ! $force_wanted; then - # Only allow changing method without force - if [[ ! $config_option == "method" ]]; then - error "This option is autogenerated, use '--force' to override." - fi - fi - - if [[ $config_option == "method" ]]; then - if [[ ! $config_value =~ ^(merge|rebase)$ ]]; then - error "Not a valid method. Valid options are 'merge' or 'rebase'." - fi - fi - - RUN git config --file="$gitrepo" "subrepo.$config_option" "$config_value" - say "Subrepo '$subdir' option '$config_option' set to '$config_value'." -} - - -# Launch the manpage viewer: -command:help() { - source "${SOURCE_DIR}/git-subrepo.d/help-functions.bash" - local cmd="${command_arguments[0]}" - if [[ -n $cmd ]]; then - if can "help:$cmd"; then - "help:$cmd" - echo - else - err "No help found for '$cmd'" - fi - elif $all_wanted; then - help:all - else - exec git help subrepo - fi - msg_ok=0 -} - -# Print version info. -# TODO: Add short commit id after version. -# Will need to get it from repo or make install can put it somewhere. -command:version() { - cat <<... -git-subrepo Version: $VERSION -Copyright 2013-2020 Ingy döt Net -https://github.com/ingydotnet/git-subrepo -$BASH_SOURCE -Git Version: $git_version - -... - : -} - -command:upgrade() { - local path="$0" - if [[ $path =~ ^/ && $path =~ ^(.*/git-subrepo)/lib/git-subrepo$ ]]; then - local subrepo_root="${BASH_REMATCH[1]}" - ( - o "Change directory to '$subrepo_root'." - cd "${BASH_REMATCH[1]}" - - local branch="$(git rev-parse --abbrev-ref HEAD)" - if [[ $branch != master ]]; then - error "git-subrepo repo is not on the 'master' branch" - fi - - o "'git pull' latest version." - RUN git pull --ff-only - - say "git-subrepo is up to date." - ) - else - die "\ - -Sorry. Your installation can't use the 'git subrepo upgrade' command. The -command only works if you installed git subrepo by adding -'/path/to/git-subrepo' to your PATH. - -If you used 'make install' to install git-subrepo, then just do this: - - cd /path/to/git-subrepo - git pull - make install - -" - fi -} - -#------------------------------------------------------------------------------ -# Subrepo command worker functions. -#------------------------------------------------------------------------------ - -# Clone by fetching remote content into our subdir: -subrepo:clone() { - re="$1" - - FAIL=false RUN git rev-parse HEAD - if ! OK; then - error "You can't clone into an empty repository" - fi - - # Turn off force unless really a reclone: - if $force_wanted && [[ ! -f $gitrepo ]]; then - force_wanted=false - fi - - if $force_wanted; then - o "--force indicates a reclone." - CALL subrepo:fetch - read-gitrepo-file - o "Check if we already are up to date." - if [[ $upstream_head_commit == $subrepo_commit ]]; then - reclone_up_to_date=true - return - fi - o "Remove the old subdir." - RUN git rm -r -- "$subdir" - else - assert-subdir-empty - if [[ -z $subrepo_branch ]]; then - o "Determine the upstream head branch." - get-upstream-head-branch - subrepo_branch="$output" - fi - - CALL subrepo:fetch - fi - - o "Make the directory '$subdir/' for the clone." - RUN mkdir -p -- "$subdir" - - o "Commit the new '$subdir/' content." - subrepo_commit_ref="$upstream_head_commit" - CALL subrepo:commit -} - -# Init a new subrepo from current repo: -subrepo:init() { - local branch_name="subrepo/${subref:??}" - # Check if subdir is proper candidate for this init: - assert-subdir-ready-for-init - - o "Put info into '$subdir/.gitrepo' file." - update-gitrepo-file - - o "Add the new '$subdir/.gitrepo' file." - # -f from pull request #219. TODO needs test. - RUN git add -f -- "$gitrepo" - - o "Commit new subrepo to the '$original_head_branch' branch." - subrepo_commit_ref="$original_head_commit" - RUN git commit -m "$(get-commit-message)" - - o "Create ref '$refs_subrepo_commit'." - git:make-ref "$refs_subrepo_commit" "$subrepo_commit_ref" -} - -# Properly merge a local subrepo branch with upstream and commit to mainline: -subrepo:pull() { - CALL subrepo:fetch - - # Check if we already are up to date - # If the -u flag is present, always perform the operation - if [[ $upstream_head_commit == $subrepo_commit ]] && ! $update_wanted; then - OK=false; CODE=-1; return - fi - - local branch_name="subrepo/$subref" - git:delete-branch "$branch_name" - - subrepo_commit_ref="$branch_name" - - o "Create subrepo branch '$branch_name'." - CALL subrepo:branch - cd "$worktree"; - - if [[ "$join_method" == "rebase" ]]; then - o "Rebase changes to $refs_subrepo_fetch" - FAIL=false OUT=true RUN git rebase "$refs_subrepo_fetch" "$branch_name" - if ! OK; then - say "The \"git rebase\" command failed:" - say - say " ${output//$'\n'/$'\n' }" - CODE=1 - return - fi - else - o "Merge in changes from $refs_subrepo_fetch" - FAIL=false OUT=true RUN git merge "$refs_subrepo_fetch" - if ! OK; then - say "The \"git merge\" command failed:" - say - say " ${output//$'\n'/$'\n' }" - CODE=1 - return - fi - fi - - o "Back to $start_pwd" - cd "$start_pwd"; - - o "Create ref '$refs_subrepo_branch' for branch '$branch_name'." - git:make-ref "$refs_subrepo_branch" "$branch_name" - - o "Commit the new '$subrepo_commit_ref' content." - CALL subrepo:commit -} - -# Push a properly merged subrepo branch upstream: -subrepo:push() { - local branch_name="$branch" - local new_upstream=false - local branch_created=false - - if [[ -z $branch_name ]]; then - FAIL=false OUT=false CALL subrepo:fetch - - if ! OK; then - # Check if we are pushing to a new upstream repo (or branch) and just - # push the commit directly. This is common after a `git subrepo init`: - # Force to case in - local re="(^|"$'\n'")fatal: couldn't find remote ref " - if [[ ${output,,} =~ $re ]]; then - o "Pushing to new upstream: $subrepo_remote ($subrepo_branch)." - new_upstream=true - else - error "Fetch for push failed: $output" - fi - else - # Check that we are up to date: - o "Check upstream head against .gitrepo commit." - if ! $force_wanted; then - if [[ $upstream_head_commit != $subrepo_commit ]]; then - error "There are new changes upstream, you need to pull first." - fi - fi - fi - - branch_name="subrepo/$subref" - git:delete-branch "$branch_name" - - if $squash_wanted; then - o "Squash commits" - subrepo_parent="HEAD^" - fi - - o "Create subrepo branch '$branch_name'." - CALL subrepo:branch "$branch_name" - cd "$worktree"; - - if [[ "$join_method" == "rebase" ]]; then - o "Rebase changes to $refs_subrepo_fetch" - FAIL=false OUT=true RUN git rebase "$refs_subrepo_fetch" "$branch_name" - if ! OK; then - say "The \"git rebase\" command failed:" - say - say " ${output//$'\n'/$'\n' }" - CODE=1 - return - fi - fi - branch_created=true - cd "$start_pwd" - else - if $squash_wanted; then - error "Squash option (-s) can't be used with branch parameter" - fi - fi - - o "Make sure that '$branch_name' exists." - git:branch-exists "$branch_name" || - error "No subrepo branch '$branch_name' to push." - - o "Check if we have something to push" - new_upstream_head_commit="$(git rev-parse "$branch_name")" - if ! $new_upstream; then - if [[ $upstream_head_commit == $new_upstream_head_commit ]]; then - OK=false - CODE=-2 - return - fi - fi - - if ! $force_wanted; then - o "Make sure '$branch_name' contains the '$refs_subrepo_fetch' HEAD." - if ! git:commit-in-rev-list "$upstream_head_commit" "$branch_name"; then - error "Can't commit: '$branch_name' doesn't contain upstream HEAD: " \ - "$upstream_head_commit" - fi - fi - - local force='' - "$force_wanted" && force=' --force' - - o "Push$force branch '$branch_name' to '$subrepo_remote' ($subrepo_branch)." - RUN git push$force "$subrepo_remote" "$branch_name":"$subrepo_branch" - - o "Create ref '$refs_subrepo_push' for branch '$branch_name'." - git:make-ref "$refs_subrepo_push" "$branch_name" - - if $branch_created; then - o "Remove branch '$branch_name'." - git:delete-branch "$branch_name" - fi - - o "Put updates into '$subdir/.gitrepo' file." - upstream_head_commit="$new_upstream_head_commit" - subrepo_commit_ref="$upstream_head_commit" - update-gitrepo-file - RUN git commit -m "$(get-commit-message)" -} - -# Fetch the subrepo's remote branch content: -subrepo:fetch() { - if [[ $subrepo_remote == none ]]; then - error "Can't fetch subrepo. Remote is 'none' in '$subdir/.gitrepo'." - fi - - o "Fetch the upstream: $subrepo_remote ($subrepo_branch)." - RUN git fetch --no-tags --quiet "$subrepo_remote" "$subrepo_branch" - OK || return - - o "Get the upstream subrepo HEAD commit." - OUT=true RUN git rev-parse FETCH_HEAD^0 - upstream_head_commit="$output" - - o "Create ref '$refs_subrepo_fetch'." - git:make-ref "$refs_subrepo_fetch" FETCH_HEAD^0 -} - -# Create a subrepo branch containing all changes -subrepo:branch() { - local branch="${1:-"subrepo/$subref"}" - o "Check if the '$branch' branch already exists." - git:branch-exists "$branch" && return - - local last_gitrepo_commit= - local first_gitrepo_commit= - - o "Subrepo parent: $subrepo_parent" - if [[ -n "$subrepo_parent" ]]; then - local prev_commit= - local ancestor= - o "Create new commits with parents into the subrepo fetch" - OUT=true RUN git rev-list --reverse --ancestry-path --topo-order "$subrepo_parent..HEAD" - local commit_list="$output" - for commit in $commit_list; do - o "Working on $commit" - - FAIL=false OUT=true RUN git config --blob \ - "$commit":"$subdir/.gitrepo" "subrepo.commit" - if [[ -z "$output" ]]; then - o "Ignore commit, no .gitrepo file" - continue - fi - - local gitrepo_commit="$output" - o ".gitrepo reference commit: $gitrepo_commit" - - - # Only include the commit if it's a child of the previous commit - # This way we create a single path between $subrepo_parent..HEAD - if [[ -n "$ancestor" ]]; then - local is_direct_child=$(git show -s --pretty=format:"%P" $commit | grep "$ancestor") - o "is child: $is_direct_child" - if [[ -z "$is_direct_child" ]]; then - o "Ignore $commit, it's not in the selected path" - continue - fi - fi - - # Remember the previous commit from the parent repo path - ancestor="$commit" - - o "Check for rebase" - if git:rev-exists "$refs_subrepo_fetch"; then - if ! git:commit-in-rev-list "$gitrepo_commit" "$refs_subrepo_fetch"; then - error "Local repository does not contain $gitrepo_commit. Try to 'git subrepo fetch $subref' or add the '-F' flag to always fetch the latest content." - fi - fi - - o "Find parents" - local first_parent= - [[ -n $prev_commit ]] && first_parent="-p $prev_commit" - local second_parent= - if [[ -z "$first_gitrepo_commit" ]]; then - first_gitrepo_commit="$gitrepo_commit" - second_parent="-p $gitrepo_commit" - fi - - if [[ "$join_method" != "rebase" ]]; then - # In the rebase case we don't create merge commits - if [[ "$gitrepo_commit" != "$last_gitrepo_commit" ]]; then - second_parent="-p $gitrepo_commit" - last_gitrepo_commit="$gitrepo_commit" - fi - fi - - o "Create a new commit $first_parent $second_parent" - FAIL=false RUN git cat-file -e "$commit":"$subdir" - if OK; then - o "Create with content" - local PREVIOUS_IFS=$IFS - IFS=$'\n' - local author_info=( $(git log -1 --format=%ad%n%ae%n%an "$commit") ) - IFS=$PREVIOUS_IFS - - # When we create new commits we leave the author information unchanged - # the committer will though be updated to the current user - # This should be analog how cherrypicking is handled allowing git - # to store both the original author but also the responsible committer - # that created the local version of the commit and pushed it. - prev_commit=$(git log -n 1 --format=%B "$commit" | - GIT_AUTHOR_DATE="${author_info[0]}" \ - GIT_AUTHOR_EMAIL="${author_info[1]}" \ - GIT_AUTHOR_NAME="${author_info[2]}" \ - git commit-tree -F - $first_parent $second_parent "$commit":"$subdir") - else - o "Create empty placeholder" - prev_commit=$(git commit-tree -m "EMPTY" \ - $first_parent $second_parent "4b825dc642cb6eb9a060e54bf8d69288fbee4904") - fi - done - - o "Create branch '$branch' for this new commit set $prev_commit." - RUN git branch "$branch" "$prev_commit" - else - o "No parent setting, use the subdir content." - RUN git branch "$branch" HEAD - TTY=true FAIL=false RUN git filter-branch -f --subdirectory-filter \ - "$subref" "$branch" - fi - - o "Remove the .gitrepo file from $first_gitrepo_commit..$branch" - local filter="$branch" - [[ -n "$first_gitrepo_commit" ]] && filter="$first_gitrepo_commit..$branch" - FAIL=false RUN git filter-branch -f --prune-empty --tree-filter \ - "rm -f .gitrepo" "$filter" - - git:create-worktree "$branch" - - o "Create ref '$refs_subrepo_branch'." - git:make-ref "$refs_subrepo_branch" "$branch" -} - -# Commit a merged subrepo branch: -subrepo:commit() { - o "Check that '$subrepo_commit_ref' exists." - git:rev-exists "$subrepo_commit_ref" || - error "Commit ref '$subrepo_commit_ref' does not exist." - - if ! "$force_wanted"; then - local upstream="$upstream_head_commit" - o "Make sure '$subrepo_commit_ref' contains the upstream HEAD." - if ! git:commit-in-rev-list "$upstream" "$subrepo_commit_ref"; then - error \ - "Can't commit: '$subrepo_commit_ref' doesn't contain upstream HEAD." - fi - fi - - if git ls-files -- "$subdir" | grep -q .; then - o "Remove old content of the subdir." - RUN git rm -r -- "$subdir" - fi - - o "Put remote subrepo content into '$subdir/'." - RUN git read-tree --prefix="$subdir" -u "$subrepo_commit_ref" - - o "Put info into '$subdir/.gitrepo' file." - update-gitrepo-file - RUN git add -f -- "$gitrepo" - - local commit_message - if [[ -n "$wanted_commit_message" ]]; then - commit_message="$wanted_commit_message" - else - commit_message="$(get-commit-message)" - fi - - local edit_flag= - $edit_wanted && edit_flag=--edit - - [[ -n $commit_message ]] || commit_message="$(get-commit-message)" - - local edit_flag= - $edit_wanted && edit_flag=--edit - - o "Commit to the '$original_head_branch' branch." - if [[ $original_head_commit != none ]]; then - RUN git commit $edit_flag -m "$commit_message" - else - # We had cloned into an empty repo, side effect of prior git reset --mixed - # command is that subrepo's history is now part of the index. Commit - # without that history. - OUT=true RUN git write-tree - OUT=true RUN git commit-tree $edit_flag -m "$commit_message" "$output" - RUN git reset --hard "$output" - fi - - # Clean up worktree to indicate that we are ready - git:remove-worktree - - o "Create ref '$refs_subrepo_commit'." - git:make-ref "$refs_subrepo_commit" "$subrepo_commit_ref" -} - -subrepo:status() { - if [[ ${#command_arguments[@]} -eq 0 ]]; then - get-all-subrepos - local count=${#subrepos[@]} - if ! "$quiet_wanted"; then - if [[ $count -eq 0 ]]; then - echo "No subrepos." - return - else - local s=; [[ $count -eq 1 ]] || s=s - echo "$count subrepo$s:" - echo - fi - fi - else - subrepos=("${command_arguments[@]}") - fi - - for subdir in "${subrepos[@]}"; do - check-and-normalize-subdir - encode-subdir - - if [[ ! -f $subdir/.gitrepo ]]; then - echo "'$subdir' is not a subrepo" - echo - continue - fi - - refs_subrepo_fetch="refs/subrepo/$subref/fetch" - upstream_head_commit="$( - git rev-parse --short "$refs_subrepo_fetch" 2> /dev/null || true - )" - subrepo_remote= - subrepo_branch= - - read-gitrepo-file - if $fetch_wanted; then - subrepo:fetch - fi - - if $quiet_wanted; then - echo "$subdir" - continue - fi - - echo "Git subrepo '$subdir':" - git:branch-exists "subrepo/$subref" && - echo " Subrepo Branch: subrepo/$subref" - local remote="subrepo/$subref" - FAIL=false OUT=true RUN git config "remote.$remote.url" - [[ -n $output ]] && - echo " Remote Name: subrepo/$subref" - echo " Remote URL: $subrepo_remote" - [[ -n $upstream_head_commit ]] && - echo " Upstream Ref: $upstream_head_commit" - echo " Tracking Branch: $subrepo_branch" - [[ -z $subrepo_commit ]] || - echo " Pulled Commit: $(git rev-parse --short $subrepo_commit)" - if [[ -n $subrepo_parent ]]; then - echo " Pull Parent: $(git rev-parse --short $subrepo_parent)" - # TODO Remove this eventually: - elif [[ -n $subrepo_former ]]; then - printf " Former Commit: $(git rev-parse --short $subrepo_former)" - echo " *** DEPRECATED ***" - fi - - # Grep for directory, branch can be in detached state due to conflicts - local _worktree=$(git worktree list | grep "$GIT_TMP/subrepo/$subdir") - if [[ -n $_worktree ]]; then - echo " Worktree: $_worktree" - fi - - if "$verbose_wanted"; then - status-refs - fi - - echo - done -} - -subrepo:clean() { - # Remove subrepo branches if exist: - local branch="subrepo/$subref" - local ref="refs/heads/$branch" - local worktree="$GIT_TMP/$branch" - - o "Clean $subdir" - git:remove-worktree - if [[ -e .git/$ref ]]; then - o "Remove branch '$branch'." - RUN git update-ref -d "$ref" - clean_list+=("branch '$branch'") - fi - - if "$force_wanted"; then - o "Remove all subrepo refs." - local suffix="" - if ! $all_wanted; then - suffix="$subref/" - fi - git show-ref | while read hash ref; do - if [[ "$ref" == refs/subrepo/$suffix* ]]; then - git update-ref -d "$ref" - fi - done - fi -} - -#------------------------------------------------------------------------------ -# Support functions: -#------------------------------------------------------------------------------ - - -# TODO: -# Collect original options and arguments into an array for commit message -# They should be normalized and pruned - -# Parse command line options: -get-command-options() { - [[ $# -eq 0 ]] && set -- --help - - [[ -n $GIT_SUBREPO_QUIET ]] && quiet_wanted=true - [[ -n $GIT_SUBREPO_VERBOSE ]] && verbose_wanted=true - [[ -n $GIT_SUBREPO_DEBUG ]] && debug_wanted=true - - eval "$( - echo "$GETOPT_SPEC" | - git rev-parse --parseopt -- "$@" || - echo exit $? - )" - - while [[ $# -gt 0 ]]; do - local option="$1"; shift - case "$option" in - --) break ;; - -a) all_wanted=true ;; - -A) ALL_wanted=true - all_wanted=true ;; - -b) subrepo_branch="$1" - override_branch="$1" - commit_msg_args+=("--branch=$1") - shift ;; - -e) edit_wanted=true ;; - -f) force_wanted=true - commit_msg_args+=("--force") ;; - -F) fetch_wanted=true ;; - -m) wanted_commit_message="$1" - shift;; - -M) join_method="$1" - shift;; - -M) join_method="$1" - shift;; - -r) subrepo_remote="$1" - override_remote="$1" - commit_msg_args+=("--remote=$1") - shift ;; - -s) squash_wanted=true ;; - -u) update_wanted=true - commit_msg_args+=("--update") ;; - -q) quiet_wanted=true ;; - -v) verbose_wanted=true ;; - -d) debug_wanted=true ;; - -x) set -x ;; - --version) - echo "$VERSION" - exit ;; - *) usage-error "Unexpected option: '$option'." ;; - esac - done - - # Set subrepo command: - command="$1"; shift - - # Make sure command exists: - can "command:$command" || - usage-error "'$command' is not a command. See 'git subrepo help'." - - command_arguments=("$@") - if [[ ${#command_arguments} -gt 0 ]]; then - local first="${command_arguments[0]}" - first="${first%/}" - command_arguments[0]="$first" - fi - commit_msg_args+=("${command_arguments[@]}") - - for option in all ALL edit fetch force squash; do - var="${option}_wanted" - if ${!var}; then - check_option $option - fi - done - - if [[ -n $override_branch ]]; then - check_option branch - fi - if [[ -n $override_remote ]]; then - check_option remote - fi - if [[ -n $wanted_commit_message ]]; then - check_option message - fi - if $update_wanted; then - check_option update - if [[ -z $subrepo_branch && -z $subrepo_remote ]]; then - usage-error "Can't use '--update' without '--branch' or '--remote'." - fi - fi -} - -options_help='all' -options_branch='all fetch force' -options_clean='ALL all force' -options_clone='branch edit force message method' -options_config='force' -options_commit='edit fetch force message' -options_fetch='all branch remote' -options_init='branch remote method' -options_pull='all branch edit force message remote update' -options_push='all branch force remote squash update' -options_status='ALL all fetch' -check_option() { - local var="options_${command//-/_}" - [[ ${!var} =~ $1 ]] || - usage-error "Invalid option '--$1' for '$command'." -} - -#------------------------------------------------------------------------------ -# Command argument validation: -#------------------------------------------------------------------------------ - -command-init() { - # Export variable to let other processes (possibly git hooks) know that they - # are running under git-subrepo. Set to current process pid, so it can be - # further verified if need be: - export GIT_SUBREPO_RUNNING="$$" - export GIT_SUBREPO_COMMAND="$command" - - : "${GIT_SUBREPO_PAGER:=${PAGER:-less}}" - if [[ $GIT_SUBREPO_PAGER == less ]]; then - GIT_SUBREPO_PAGER='less -FRX' - fi -} - -command-prepare() { - local output= - if git:rev-exists HEAD; then - git:get-head-branch-commit - fi - original_head_commit="${output:-none}" -} - -# Do the setup steps needed by most of the subrepo subcommands: -command-setup() { - get-params "$@" - - check-and-normalize-subdir - encode-subdir - gitrepo="$subdir/.gitrepo" - - if ! $force_wanted; then - o "Check for worktree with branch subrepo/$subdir" - local _worktree=$(git worktree list | grep "\[subrepo/$subdir\]" | cut -d ' ' -f1) - if [[ $command =~ ^(commit)$ && -z $_worktree ]]; then - error "There is no worktree available, use the branch command first" - elif [[ ! $command =~ ^(branch|clean|commit|push)$ && -n $_worktree ]]; then - if [[ -e $gitrepo ]]; then - error "There is already a worktree with branch subrepo/$subdir. -Use the --force flag to override this check or perform a subrepo clean -to remove the worktree." - else - error "There is already a worktree with branch subrepo/$subdir. -Use the --force flag to override this check or remove the worktree with -1. rm -rf $_worktree -2. git worktree prune -" - fi - fi - fi - - # Set refs_ variables: - refs_subrepo_branch="refs/subrepo/$subref/branch" - refs_subrepo_commit="refs/subrepo/$subref/commit" - refs_subrepo_fetch="refs/subrepo/$subref/fetch" - refs_subrepo_push="refs/subrepo/$subref/push" - - # Read/parse the .gitrepo file (unless clone/init; doesn't exist yet) - if [[ ! $command =~ ^(clone|init)$ ]]; then - read-gitrepo-file - fi - - true -} - -# Parse command line args according to a simple dsl spec: -get-params() { - local i=0 - local num=${#command_arguments[@]} - for arg in $@; do - local value="${command_arguments[i]}" - value="${value//%/%%}" - value="${value//\\/\\\\}" - # If arg starts with '+' then it is required - if [[ $arg == +* ]]; then - if [[ $i -ge $num ]]; then - usage-error "Command '$command' requires arg '${arg#+}'." - fi - printf -v ${arg#+} -- "$value" - # Look for function name after ':' to provide a default value - else - if [[ $i -lt $num ]]; then - printf -v ${arg%:*} -- "$value" - elif [[ $arg =~ : ]]; then - "${arg#*:}" - fi - fi - let i=$((i+1)) - done - - # Check for extra arguments: - if [[ $num -gt $i ]]; then - set -- ${command_arguments[@]} - for ((j = 1; j <= i; j++)); do shift; done - error "Unknown argument(s) '$*' for '$command' command." - fi -} - -check-and-normalize-subdir() { - # Sanity check subdir: - [[ -n $subdir ]] || - die "subdir not set" - [[ $subdir =~ ^/ || $subdir =~ ^[A-Z]: ]] && - usage-error "The subdir '$subdir' should not be absolute path." - subdir="${subdir#./}" - subdir="${subdir%/}" - [[ $subdir != *//* ]] || subdir=$(tr -s / <<< "$subdir") -} - -# Determine the correct subdir path to use: -guess-subdir() { - local dir="$subrepo_remote" - dir="${dir%.git}" - dir="${dir%/}" - dir="${dir##*/}" - [[ $dir =~ ^[-_a-zA-Z0-9]+$ ]] || - error "Can't determine subdir from '$subrepo_remote'." - subdir="$dir" - check-and-normalize-subdir - encode-subdir -} - -# Encode the subdir as a valid git ref format -# -# Input: env $subdir -# Output: env $subref -# -# For detail rules about valid git refs, see the manual of git-check-ref-format: -# URL: https://www.kernel.org/pub/software/scm/git/docs/git-check-ref-format.html -# Shell: git check-ref-format --help -# -encode-subdir() { - subref=$subdir - if [[ ! $subref ]] || git check-ref-format "subrepo/$subref"; then - return - fi - - ## 0. escape %, ensure the subref can be (almost) decoded back to subdir - subref=${subref//%/%25} - - ## 1. They can include slash / for hierarchical (directory) grouping, - ## but no slash-separated component can begin with a dot . or - ## end with the sequence .lock. - subref=/$subref/ - subref=${subref//\/.//%2e} - subref=${subref//.lock\//%2elock/} - subref=${subref#/} - subref=${subref%/} - - ## 2. They must contain at least one /. - ## Note: 'subrepo/' be will prefixed, so this is always true. - ## 3. They cannot have two consecutive dots .. anywhere. - subref=${subref//../%2e%2e} - subref=${subref//%2e./%2e%2e} - subref=${subref//.%2e/%2e%2e} - - ## 4. They cannot have ASCII control characters - ## (i.e. bytes whose values are lower than \040, or \177 DEL), space, - ## tilde ~, caret ^, or colon : anywhere. - ## 5. They cannot have question-mark ?, asterisk *, - ## or open bracket [ anywhere. - local i - for (( i = 1; i < 32; ++i )); do - # skip substitute NUL char (i=0), as bash will skip NUL in env - local x=$(printf "%02x" $i) - subref=${subref//$(printf "%b" "\x$x")/%$x} - done - subref=${subref//$'\177'/%7f} - subref=${subref// /%20} - subref=${subref//\~/%7e} - subref=${subref//^/%5e} - subref=${subref//:/%3a} - subref=${subref//\?/%3f} - subref=${subref//\*/%2a} - subref=${subref//\[/%5b} - subref=${subref//$'\n'/%0a} - - ## 6. They cannot begin or end with a slash / or contain multiple - ## consecutive slashes. - ## Note: This rule is not revertable. - [[ $subref != *//* ]] || subref=$(tr -s / <<< "$subref") - - ## 7. They cannot end with a dot .. - case "$subref" in - *.) subref=${subref%.} - subref+=%2e - ;; - esac - - ## 8. They cannot contain a sequence @\{. - subref=${subref//@\{/%40\{} - - ## 9. They cannot be the single character @. - ## Note: 'subrepo/' be will prefixed, so this is always true. - - ## 10. They cannot contain a \. - subref=${subref//\\/%5c} - - subref=$(git check-ref-format --normalize --allow-onelevel "$subref") || - error "Can't determine valid subref from '$subdir'." -} - -#------------------------------------------------------------------------------ -# State file (`.gitrepo`) functions: -#------------------------------------------------------------------------------ - -# Set subdir and gitrepo vars: -read-gitrepo-file() { - gitrepo="$subdir/.gitrepo" - - if [[ ! -f $gitrepo ]]; then - error "No '$gitrepo' file." - fi - - # Read .gitrepo values: - if [[ -z $subrepo_remote ]]; then - SAY=false OUT=true RUN git config --file="$gitrepo" subrepo.remote - subrepo_remote="$output" - fi - - if [[ -z $subrepo_branch ]]; then - SAY=false OUT=true RUN git config --file="$gitrepo" subrepo.branch - subrepo_branch="$output" - fi - - SAY=false OUT=true RUN git config --file="$gitrepo" subrepo.commit - subrepo_commit="$output" - - FAIL=false \ - SAY=false OUT=true RUN git config --file="$gitrepo" subrepo.parent - subrepo_parent="$output" - - FAIL=false \ - SAY=false OUT=true RUN git config --file="$gitrepo" subrepo.method - if [[ $output == "rebase" ]]; then - join_method="rebase" - else - # This is the default method - join_method="merge" - fi - - if [[ -z $subrepo_parent ]]; then - FAIL=false \ - SAY=false OUT=true RUN git config --file="$gitrepo" subrepo.former - subrepo_former="$output" - fi -} - - -# Update the subdir/.gitrepo state file: -update-gitrepo-file() { - local short_commit= - - local newfile=false - if [[ ! -e $gitrepo ]]; then - - FAIL=false RUN git cat-file -e "$original_head_commit":"$gitrepo" - - if OK; then - o "Try to recreate gitrepo file from $original_head_commit" - git cat-file -p "$original_head_commit":"$gitrepo" > "$gitrepo" - else - newfile=true - cat <<... > "$gitrepo" -; DO NOT EDIT (unless you know what you are doing) -; -; This subdirectory is a git "subrepo", and this file is maintained by the -; git-subrepo command. See https://github.com/git-commands/git-subrepo#readme -; -... - fi - fi - - - # TODO: only update remote and branch if supplied and $update_wanted - if $newfile || [[ $update_wanted && -n $override_remote ]]; then - RUN git config --file="$gitrepo" subrepo.remote "$subrepo_remote" - fi - - if $newfile || [[ $update_wanted && -n $override_branch ]]; then - RUN git config --file="$gitrepo" subrepo.branch "$subrepo_branch" - fi - - RUN git config --file="$gitrepo" subrepo.commit "$upstream_head_commit" - # Only write new parent when we are at the head of upstream - if [[ -n $upstream_head_commit && -n $subrepo_commit_ref ]]; then - OUT=true RUN git rev-parse "$subrepo_commit_ref" - o "$upstream_head_commit == $output" - if [[ $upstream_head_commit == $output ]]; then - RUN git config --file="$gitrepo" subrepo.parent "$original_head_commit" - fi - fi - - [[ -z $join_method ]] && join_method="merge" - RUN git config --file="$gitrepo" subrepo.method "$join_method" - - RUN git config --file="$gitrepo" subrepo.cmdver "$VERSION" - - RUN git add -f -- "$gitrepo" -} - -#------------------------------------------------------------------------------ -# Enviroment checks: -#------------------------------------------------------------------------------ - -# Check that system is ok for this command: -assert-environment-ok() { - type git &> /dev/null || - error "Can't find your 'git' command in '$PATH'." - - git_version=$(git --version | cut -d ' ' -f3) - - if [[ $( - printf "$REQUIRED_GIT_VERSION\n$git_version" | - sort -t. -k 1,1n -k 2,2n -k 3,3n | - head -n1 - ) == "$git_version" && - $git_version != "$REQUIRED_GIT_VERSION" - ]]; then - error "Requires git version $REQUIRED_GIT_VERSION or higher; "` - `"you have '$git_version'." - fi - - if [[ ${BASH_VERSINFO[0]} -lt 4 ]] ; then - echo "The git-subrepo command requires that 'Bash 4+' is installed." - echo "It doesn't need to be your shell, but it must be in your PATH." - if [[ $OSTYPE == darwin* ]]; then - echo "You appear to be on macOS." - echo "Try: 'brew install bash'." - echo "This will not change your user shell, it just installs 'Bash 5.x'." - fi - exit 1 - fi -} - -# Make sure git repo is ready: -assert-repo-is-ready() { - # Skip this for trivial info commands: - [[ $command =~ ^(help|version|upgrade)$ ]] && return - - # We must be inside a git repo: - git rev-parse --git-dir &> /dev/null || - error "Not inside a git repository." - - # Get the original branch and commit: - git:get-head-branch-name - original_head_branch="$output" - - # If a subrepo branch is currently checked out, then note it: - if [[ $original_head_branch =~ ^subrepo/(.*) ]]; then - error "Can't '$command' while subrepo branch is checked out." - fi - - # Make sure we are on a branch: - [[ $original_head_branch == HEAD || -z $original_head_branch ]] && - error "Must be on a branch to run this command." - - # In a work-tree: - SAY=false OUT=true RUN git rev-parse --is-inside-work-tree - [[ $output == true ]] || - error "Can't 'subrepo $command' outside a working tree." - - # HEAD exists: - [[ $command == clone ]] || - RUN git rev-parse --verify HEAD - - assert-working-copy-is-clean - - # For now, only support actions from top of repo: - if [[ -n "$(git rev-parse --show-prefix)" ]]; then - error "Need to run subrepo command from top level directory of the repo." - fi -} - -assert-working-copy-is-clean() { - # Repo is in a clean state: - if [[ $command =~ ^(clone|init|pull|push|branch|commit)$ ]]; then - # TODO: Should we check for untracked files? - local pwd=$(pwd) - o "Assert that working copy is clean: $pwd" - git update-index -q --ignore-submodules --refresh - git diff-files --quiet --ignore-submodules || - error "Can't $command subrepo. Unstaged changes. ($pwd)" - if [[ $command != clone ]] || git:rev-exists HEAD; then - git diff-index --quiet --ignore-submodules HEAD || - error "Can't $command subrepo. Working tree has changes. ($pwd)" - git diff-index --quiet --cached --ignore-submodules HEAD || - error "Can't $command subrepo. Index has changes. ($pwd)" - else - # Repo has no commits and we're cloning a subrepo. Working tree won't - # possibly have changes as there was nothing initial to change. - [[ -z $(git ls-files) ]] || - error "Can't $command subrepo. Index has changes. ($pwd)" - fi - fi -} - -# If subdir exists, make sure it is empty: -assert-subdir-ready-for-init() { - if [[ ! -e $subdir ]]; then - error "The subdir '$subdir' does not exist." - fi - if [[ -e $subdir/.gitrepo ]]; then - error "The subdir '$subdir' is already a subrepo." - fi - # Check that subdir is part of the repo - if [[ -z $(git log -1 -- $subdir) ]]; then - error "The subdir '$subdir' is not part of this repo." - fi -} - -# If subdir exists, make sure it is empty: -assert-subdir-empty() { - if [[ -e $subdir ]] && [[ -n $(ls -A $subdir) ]]; then - error "The subdir '$subdir' exists and is not empty." - fi -} - -#------------------------------------------------------------------------------ -# Getters of various information: -#------------------------------------------------------------------------------ - -# Find all the current subrepos by looking for all the subdirectories that -# contain a `.gitrepo` file. -get-all-subrepos() { - local paths=($(git ls-files | sed -n 's!/\.gitrepo$!!p' | sort)) - subrepos=() - local path - for path in "${paths[@]}"; do - add-subrepo "$path" - done -} - -add-subrepo() { - if ! $ALL_wanted; then - for path in "${subrepos[@]}"; do - [[ $1 =~ ^$path ]] && return - done - fi - subrepos+=("$1") -} - -# Determine the upstream's default head branch: -get-upstream-head-branch() { - OUT=true RUN git ls-remote $subrepo_remote - local remotes="$output" - [[ -n $remotes ]] || - error "Failed to 'git ls-remote $subrepo_remote'." - local commit="$( - echo "$remotes" | - grep HEAD | - cut -f1 - )" - local branch="$( - echo "$remotes" | - grep -E "$commit[[:space:]]+refs/heads/" | - grep -v HEAD | - head -n1 | - cut -f2 - )" - [[ $branch =~ refs/heads/ ]] || - error "Problem finding remote default head branch." - output="${branch#refs/heads/}" -} - -# Commit msg for an action commit: -# Don't use RUN here as it will pollute commit message -get-commit-message() { - local commit="none" - if git:rev-exists "$upstream_head_commit"; then - commit=$(git rev-parse --short "$upstream_head_commit") - fi - - local args=() debug_wanted=false - if $all_wanted; then - args+=("$subdir") - fi - args+=(${commit_msg_args[@]}) - - # Find the specific git-subrepo code used: - local command_remote='???' - local command_commit='???' - get-command-info - - local merged="none" - if git:rev-exists "$subrepo_commit_ref"; then - merged=$(git rev-parse --short "$subrepo_commit_ref") - fi - - local is_merge="" - if [[ $command != push ]]; then - if git:is_merge_commit "$subrepo_commit_ref"; then - is_merge=" (merge)" - fi - fi - - # TODO: Consider output for push! - - # Format subrepo commit message: - cat <<... -git subrepo $command$is_merge ${args[@]} - -subrepo: - subdir: "$subdir" - merged: "$merged" -upstream: - origin: "$subrepo_remote" - branch: "$subrepo_branch" - commit: "$commit" -git-subrepo: - version: "$VERSION" - origin: "$command_remote" - commit: "$command_commit" -... -} - -# Get location and version info about the git-subrepo command itself. This -# info goes into commit messages, so we can find out exactly how the commits -# were done. -get-command-info() { - local bin="$0" - if [[ $bin =~ / ]]; then - local lib="$(dirname "$bin")" - # XXX Makefile needs to install these symlinks: - # If `git-subrepo` was system-installed (`make install`): - if [[ -e $lib/git-subrepo.d/upstream ]] && - [[ -e $lib/git-subrepo.d/commit ]]; then - command_remote=$(readlink "$lib/git-subrepo.d/upstream") - command_commit=$(readlink "$lib/git-subrepo.d/commit") - elif [[ $lib =~ / ]]; then - lib="$(dirname "$lib")" - if [[ -d $lib/.git ]]; then - local remote="$( - GIT_DIR=$lib/.git git remote -v | - grep '^origin' | - head -n1 | - cut -f2 | - cut -d ' ' -f1 - )" - if [[ -n $remote ]]; then - command_remote="$remote" - else - local remote="$( - GIT_DIR=$lib/.git git remote -v | - head -n1 | - cut -f2 | - cut -d ' ' -f1 - )" - if [[ -n $remote ]]; then - command_remote="$remote" - fi - fi - local commit="$(GIT_DIR="$lib/.git" git rev-parse --short HEAD)" - if [[ -n $commit ]]; then - command_commit="$commit" - fi - fi - fi - fi -} - -#------------------------------------------------------------------------------ -# Instructional errors: -#------------------------------------------------------------------------------ - -error-join() { - cat <<... - -You will need to finish the $command by hand. A new working tree has been -created at $worktree so that you can resolve the conflicts -shown in the output above. - -This is the common conflict resolution workflow: - - 1. cd $worktree - 2. Resolve the conflicts (see "git status"). - 3. "git add" the resolved files. -... - - if [[ "$join_method" == "rebase" ]]; then - cat <<... - 4. git rebase --continue -... - else - cat <<... - 4. git commit -... - fi - - cat <<... - 5. If there are more conflicts, restart at step 2. - 6. cd $start_pwd -... - local branch_name="${branch:=subrepo/$subdir}" - if [[ "$command" == "push" ]]; then - cat <<... - 7. git subrepo push $subdir $branch_name -... - else - cat <<... - 7. git subrepo commit $subdir -... - fi - - if [[ "$command" == "pull" && "$join_method" == "rebase" ]]; then - cat <<... - -After you have performed the steps above you can push your local changes -without repeating the rebase by: - 1. git subrepo push $subdir $branch_name - -... - fi - -cat <<... -See "git help $join_method" for details. - -Alternatively, you can abort the $command and reset back to where you started: - - 1. git subrepo clean $subdir - -See "git help subrepo" for more help. - -... -} - -#------------------------------------------------------------------------------ -# Git command wrappers: -#------------------------------------------------------------------------------ - -git:branch-exists() { - git:rev-exists "refs/heads/$1" -} - -git:rev-exists() { - git rev-list "$1" -1 &> /dev/null -} - -git:ref-exists() { - test -n "$(git for-each-ref "$1")" -} - -git:get-head-branch-name() { - output= - local name="$(git symbolic-ref --short --quiet HEAD)" - [[ $name == HEAD ]] && return - output="$name" -} - -git:get-head-branch-commit() { - output="$(git rev-parse HEAD)" -} - -git:commit-in-rev-list() { - local commit="$1" - local list_head="$2" - git rev-list "$list_head" | grep -q "^$commit" -} - -git:make-ref() { - local ref_name="$1" - local commit="$(git rev-parse "$2")" - RUN git update-ref "$ref_name" "$commit" -} - -git:is_merge_commit() { - local commit="$1" - git show --summary "$commit" | grep -q ^Merge: -} - -git:create-worktree() { - local branch="$1" - worktree="$GIT_TMP/$branch" - RUN git worktree add "$worktree" "$branch" -} - -git:remove-worktree() { - o "Remove worktree: $worktree" - if [[ -d "$worktree" ]]; then - o "Check worktree for unsaved changes" - cd "$worktree" - assert-working-copy-is-clean - cd "$start_pwd" - - o "Clean up worktree $worktree" - rm -rf "$worktree" - RUN git worktree prune - fi -} - -git:delete-branch() { - local branch="$1" - o "Deleting old '$branch' branch." - # Remove worktree first, otherwise you can't delete the branch - git:remove-worktree - FAIL=false RUN git branch -D "$branch" -} - - -#------------------------------------------------------------------------------ -# Low level sugar commands: -#------------------------------------------------------------------------------ - -# Smart command runner: -RUN() { - $debug_wanted && $SAY && say '>>>' $* - if $EXEC; then - "$@" - return $? - fi - - OK=true - set +e - local rc= - local out= - if $debug_wanted && $TTY && interactive; then - "$@" - else - if $OUT; then - out="$("$@" 2>/dev/null)" - else - out="$("$@" 2>&1)" - fi - fi - rc=$? - set -e - - if [[ $rc -ne 0 ]]; then - OK=false - $FAIL && error "Command failed: '$*'.\n$out" - fi - output="$out" -} - - -interactive() { - if [[ -t 0 && -t 1 ]]; then - return 0 - else - return 1 - fi -} - -# Call a function with indent increased: -CALL() { - local INDENT=" $INDENT" - "$@" || true -} - -# Print verbose steps for commands with steps: -o() { - if $verbose_wanted; then - echo "$INDENT* $@" - fi -} - -# Print unless quiet mode: -say() { - $quiet_wanted || echo "$@" -} - -# Print to stderr: -err() { - echo "$@" >&2 -} - -# Check if OK: -OK() { - $OK -} - -# Nicely report common error messages: -usage-error() { - local msg="git-subrepo: $1" usage= - if [[ $GIT_SUBREPO_TEST_ERRORS != true ]]; then - source "${SOURCE_DIR}/git-subrepo.d/help-functions.bash" - if can "help:$command"; then - msg=$'\n'"$msg"$'\n'"$("help:$command")"$'\n' - fi - fi - echo "$msg" >&2 - exit 1 -} - -# Nicely report common error messages: -error() { - local msg="git-subrepo: $1" usage= - echo -e "$msg" >&2 - exit 1 -} - -# Start at the end: -[[ $BASH_SOURCE != "$0" ]] || main "$@" - -# Local Variables: -# tab-width: 2 -# sh-indentation: 2 -# sh-basic-offset: 2 -# End: -# vim: set ft=sh sw=2 lisp: |