#!/bin/sh # # git-submodule.sh: add, init, update or list git submodules # # Copyright (c) 2007 Lars Hjemli dashless=$(basename "$0" | sed -e 's/-/ /') USAGE="[--quiet] add [-b ] [-f|--force] [--name ] [--reference ] [--] [] or: $dashless [--quiet] status [--cached] [--recursive] [--] [...] or: $dashless [--quiet] init [--] [...] or: $dashless [--quiet] deinit [-f|--force] (--all| [--] ...) or: $dashless [--quiet] update [--init] [--remote] [-N|--no-fetch] [-f|--force] [--checkout|--merge|--rebase] [--[no-]recommend-shallow] [--reference ] [--recursive] [--] [...] or: $dashless [--quiet] summary [--cached|--files] [--summary-limit ] [commit] [--] [...] or: $dashless [--quiet] foreach [--recursive] or: $dashless [--quiet] sync [--recursive] [--] [...] or: $dashless [--quiet] absorbgitdirs [--] [...]" OPTIONS_SPEC= SUBDIRECTORY_OK=Yes . git-sh-setup . git-parse-remote require_work_tree wt_prefix=$(git rev-parse --show-prefix) cd_to_toplevel # Tell the rest of git that any URLs we get don't come # directly from the user, so it can apply policy as appropriate. GIT_PROTOCOL_FROM_USER=0 export GIT_PROTOCOL_FROM_USER command= branch= force= reference= cached= recursive= init= require_init= files= remote= nofetch= update= prefix= custom_name= depth= progress= dissociate= die_if_unmatched () { if test "$1" = "#unmatched" then exit ${2:-1} fi } # # Print a submodule configuration setting # # $1 = submodule name # $2 = option name # $3 = default value # # Checks in the usual git-config places first (for overrides), # otherwise it falls back on .gitmodules. This allows you to # distribute project-wide defaults in .gitmodules, while still # customizing individual repositories if necessary. If the option is # not in .gitmodules either, print a default value. # get_submodule_config () { name="$1" option="$2" default="$3" value=$(git config submodule."$name"."$option") if test -z "$value" then value=$(git submodule--helper config submodule."$name"."$option") fi printf '%s' "${value:-$default}" } isnumber() { n=$(($1 + 0)) 2>/dev/null && test "$n" = "$1" } # Given a full hex object ID, is this the zero OID? is_zero_oid () { echo "$1" | sane_egrep '^0+$' >/dev/null 2>&1 } # Sanitize the local git environment for use within a submodule. We # can't simply use clear_local_git_env since we want to preserve some # of the settings from GIT_CONFIG_PARAMETERS. sanitize_submodule_env() { save_config=$GIT_CONFIG_PARAMETERS clear_local_git_env GIT_CONFIG_PARAMETERS=$save_config export GIT_CONFIG_PARAMETERS } # # Add a new submodule to the working tree, .gitmodules and the index # # $@ = repo path # # optional branch is stored in global branch variable # cmd_add() { # parse $args after "submodule ... add". reference_path= while test $# -ne 0 do case "$1" in -b | --branch) case "$2" in '') usage ;; esac branch=$2 shift ;; -f | --force) force=$1 ;; -q|--quiet) GIT_QUIET=1 ;; --progress) progress=1 ;; --reference) case "$2" in '') usage ;; esac reference_path=$2 shift ;; --reference=*) reference_path="${1#--reference=}" ;; --dissociate) dissociate=1 ;; --name) case "$2" in '') usage ;; esac custom_name=$2 shift ;; --depth) case "$2" in '') usage ;; esac depth="--depth=$2" shift ;; --depth=*) depth=$1 ;; --) shift break ;; -*) usage ;; *) break ;; esac shift done if ! git submodule--helper config --check-writeable >/dev/null 2>&1 then die "$(eval_gettext "please make sure that the .gitmodules file is in the working tree")" fi if test -n "$reference_path" then is_absolute_path "$reference_path" || reference_path="$wt_prefix$reference_path" reference="--reference=$reference_path" fi repo=$1 sm_path=$2 if test -z "$sm_path"; then sm_path=$(printf '%s\n' "$repo" | sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g') fi if test -z "$repo" || test -z "$sm_path"; then usage fi is_absolute_path "$sm_path" || sm_path="$wt_prefix$sm_path" # assure repo is absolute or relative to parent case "$repo" in ./*|../*) test -z "$wt_prefix" || die "$(gettext "Relative path can only be used from the toplevel of the working tree")" # dereference source url relative to parent's url realrepo=$(git submodule--helper resolve-relative-url "$repo") || exit ;; *:*|/*) # absolute url realrepo=$repo ;; *) die "$(eval_gettext "repo URL: '\$repo' must be absolute or begin with ./|../")" ;; esac # normalize path: # multiple //; leading ./; /./; /../; trailing / sm_path=$(printf '%s/\n' "$sm_path" | sed -e ' s|//*|/|g s|^\(\./\)*|| s|/\(\./\)*|/|g :start s|\([^/]*\)/\.\./|| tstart s|/*$|| ') if test -z "$force" then git ls-files --error-unmatch "$sm_path" > /dev/null 2>&1 && die "$(eval_gettext "'\$sm_path' already exists in the index")" else git ls-files -s "$sm_path" | sane_grep -v "^160000" > /dev/null 2>&1 && die "$(eval_gettext "'\$sm_path' already exists in the index and is not a submodule")" fi if test -z "$force" && ! git add --dry-run --ignore-missing --no-warn-embedded-repo "$sm_path" > /dev/null 2>&1 then eval_gettextln "The following path is ignored by one of your .gitignore files: \$sm_path Use -f if you really want to add it." >&2 exit 1 fi if test -n "$custom_name" then sm_name="$custom_name" else sm_name="$sm_path" fi if ! git submodule--helper check-name "$sm_name" then die "$(eval_gettext "'$sm_name' is not a valid submodule name")" fi # perhaps the path exists and is already a git repo, else clone it if test -e "$sm_path" then if test -d "$sm_path"/.git || test -f "$sm_path"/.git then eval_gettextln "Adding existing repo at '\$sm_path' to the index" else die "$(eval_gettext "'\$sm_path' already exists and is not a valid git repo")" fi else if test -d ".git/modules/$sm_name" then if test -z "$force" then eval_gettextln >&2 "A git directory for '\$sm_name' is found locally with remote(s):" GIT_DIR=".git/modules/$sm_name" GIT_WORK_TREE=. git remote -v | grep '(fetch)' | sed -e s,^," ", -e s,' (fetch)',, >&2 die "$(eval_gettextln "\ If you want to reuse this local git directory instead of cloning again from \$realrepo use the '--force' option. If the local git directory is not the correct repo or you are unsure what this means choose another name with the '--name' option.")" else eval_gettextln "Reactivating local git directory for submodule '\$sm_name'." fi fi git submodule--helper clone ${GIT_QUIET:+--quiet} ${progress:+"--progress"} --prefix "$wt_prefix" --path "$sm_path" --name "$sm_name" --url "$realrepo" ${reference:+"$reference"} ${dissociate:+"--dissociate"} ${depth:+"$depth"} || exit ( sanitize_submodule_env cd "$sm_path" && # ash fails to wordsplit ${branch:+-b "$branch"...} case "$branch" in '') git checkout -f -q ;; ?*) git checkout -f -q -B "$branch" "origin/$branch" ;; esac ) || die "$(eval_gettext "Unable to checkout submodule '\$sm_path'")" fi git config submodule."$sm_name".url "$realrepo" git add --no-warn-embedded-repo $force "$sm_path" || die "$(eval_gettext "Failed to add submodule '\$sm_path'")" git submodule--helper config submodule."$sm_name".path "$sm_path" && git submodule--helper config submodule."$sm_name".url "$repo" && if test -n "$branch" then git submodule--helper config submodule."$sm_name".branch "$branch" fi && git add --force .gitmodules || die "$(eval_gettext "Failed to register submodule '\$sm_path'")" # NEEDSWORK: In a multi-working-tree world, this needs to be # set in the per-worktree config. if git config --get submodule.active >/dev/null then # If the submodule being adding isn't already covered by the # current configured pathspec, set the submodule's active flag if ! git submodule--helper is-active "$sm_path" then git config submodule."$sm_name".active "true" fi else git config submodule."$sm_name".active "true" fi } # # Execute an arbitrary command sequence in each checked out # submodule # # $@ = command to execute # cmd_foreach() { # parse $args after "submodule ... foreach". while test $# -ne 0 do case "$1" in -q|--quiet) GIT_QUIET=1 ;; --recursive) recursive=1 ;; -*) usage ;; *) break ;; esac shift done git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper foreach ${GIT_QUIET:+--quiet} ${recursive:+--recursive} "$@" } # # Register submodules in .git/config # # $@ = requested paths (default to all) # cmd_init() { # parse $args after "submodule ... init". while test $# -ne 0 do case "$1" in -q|--quiet) GIT_QUIET=1 ;; --) shift break ;; -*) usage ;; *) break ;; esac shift done git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper init ${GIT_QUIET:+--quiet} "$@" } # # Unregister submodules from .git/config and remove their work tree # cmd_deinit() { # parse $args after "submodule ... deinit". deinit_all= while test $# -ne 0 do case "$1" in -f|--force) force=$1 ;; -q|--quiet) GIT_QUIET=1 ;; --all) deinit_all=t ;; --) shift break ;; -*) usage ;; *) break ;; esac shift done git ${wt_prefix:+-C "$wt_prefix"} submodule--helper deinit ${GIT_QUIET:+--quiet} ${prefix:+--prefix "$prefix"} ${force:+--force} ${deinit_all:+--all} "$@" } is_tip_reachable () ( sanitize_submodule_env && cd "$1" && rev=$(git rev-list -n 1 "$2" --not --all 2>/dev/null) && test -z "$rev" ) fetch_in_submodule () ( sanitize_submodule_env && cd "$1" && case "$2" in '') git fetch ;; *) shift git fetch $(get_default_remote) "$@" ;; esac ) # # Update each submodule path to correct revision, using clone and checkout as needed # # $@ = requested paths (default to all) # cmd_update() { # parse $args after "submodule ... update". while test $# -ne 0 do case "$1" in -q|--quiet) GIT_QUIET=1 ;; -v) GIT_QUIET=0 ;; --progress) progress=1 ;; -i|--init) init=1 ;; --require-init) init=1 require_init=1 ;; --remote) remote=1 ;; -N|--no-fetch) nofetch=1 ;; -f|--force) force=$1 ;; -r|--rebase) update="rebase" ;; --reference) case "$2" in '') usage ;; esac reference="--reference=$2" shift ;; --reference=*) reference="$1" ;; --dissociate) dissociate=1 ;; -m|--merge) update="merge" ;; --recursive) recursive=1 ;; --checkout) update="checkout" ;; --recommend-shallow) recommend_shallow="--recommend-shallow" ;; --no-recommend-shallow) recommend_shallow="--no-recommend-shallow" ;; --depth) case "$2" in '') usage ;; esac depth="--depth=$2" shift ;; --depth=*) depth=$1 ;; -j|--jobs) case "$2" in '') usage ;; esac jobs="--jobs=$2" shift ;; --jobs=*) jobs=$1 ;; --) shift break ;; -*) usage ;; *) break ;; esac shift done if test -n "$init" then cmd_init "--" "$@" || return fi { git submodule--helper update-clone ${GIT_QUIET:+--quiet} \ ${progress:+"--progress"} \ ${wt_prefix:+--prefix "$wt_prefix"} \ ${prefix:+--recursive-prefix "$prefix"} \ ${update:+--update "$update"} \ ${reference:+"$reference"} \ ${dissociate:+"--dissociate"} \ ${depth:+--depth "$depth"} \ ${require_init:+--require-init} \ $recommend_shallow \ $jobs \ "$@" || echo "#unmatched" $? } | { err= while read -r quickabort sha1 just_cloned sm_path do die_if_unmatched "$quickabort" "$sha1" git submodule--helper ensure-core-worktree "$sm_path" update_module=$(git submodule--helper update-module-mode $just_cloned "$sm_path" $update) displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix") if test $just_cloned -eq 1 then subsha1= else subsha1=$(sanitize_submodule_env; cd "$sm_path" && git rev-parse --verify HEAD) || die "$(eval_gettext "Unable to find current revision in submodule path '\$displaypath'")" fi if test -n "$remote" then branch=$(git submodule--helper remote-branch "$sm_path") if test -z "$nofetch" then # Fetch remote before determining tracking $sha1 fetch_in_submodule "$sm_path" $depth || die "$(eval_gettext "Unable to fetch in submodule path '\$sm_path'")" fi remote_name=$(sanitize_submodule_env; cd "$sm_path" && get_default_remote) sha1=$(sanitize_submodule_env; cd "$sm_path" && git rev-parse --verify "${remote_name}/${branch}") || die "$(eval_gettext "Unable to find current \${remote_name}/\${branch} revision in submodule path '\$sm_path'")" fi if test "$subsha1" != "$sha1" || test -n "$force" then subforce=$force # If we don't already have a -f flag and the submodule has never been checked out if test -z "$subsha1" && test -z "$force" then subforce="-f" fi if test -z "$nofetch" then # Run fetch only if $sha1 isn't present or it # is not reachable from a ref. is_tip_reachable "$sm_path" "$sha1" || fetch_in_submodule "$sm_path" $depth || say "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'")" # Now we tried the usual fetch, but $sha1 may # not be reachable from any of the refs is_tip_reachable "$sm_path" "$sha1" || fetch_in_submodule "$sm_path" $depth "$sha1" || die "$(eval_gettext "Fetched in submodule path '\$displaypath', but it did not contain \$sha1. Direct fetching of that commit failed.")" fi must_die_on_failure= case "$update_module" in checkout) command="git checkout $subforce -q" die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$displaypath'")" say_msg="$(eval_gettext "Submodule path '\$displaypath': checked out '\$sha1'")" ;; rebase) command="git rebase" die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$displaypath'")" say_msg="$(eval_gettext "Submodule path '\$displaypath': rebased into '\$sha1'")" must_die_on_failure=yes ;; merge) command="git merge" die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$displaypath'")" say_msg="$(eval_gettext "Submodule path '\$displaypath': merged in '\$sha1'")" must_die_on_failure=yes ;; !*) command="${update_module#!}" die_msg="$(eval_gettext "Execution of '\$command \$sha1' failed in submodule path '\$displaypath'")" say_msg="$(eval_gettext "Submodule path '\$displaypath': '\$command \$sha1'")" must_die_on_failure=yes ;; *) die "$(eval_gettext "Invalid update mode '$update_module' for submodule path '$path'")" esac if (sanitize_submodule_env; cd "$sm_path" && $command "$sha1") then say "$say_msg" elif test -n "$must_die_on_failure" then die_with_status 2 "$die_msg" else err="${err};$die_msg" continue fi fi if test -n "$recursive" then ( prefix=$(git submodule--helper relative-path "$prefix$sm_path/" "$wt_prefix") wt_prefix= sanitize_submodule_env cd "$sm_path" && eval cmd_update ) res=$? if test $res -gt 0 then die_msg="$(eval_gettext "Failed to recurse into submodule path '\$displaypath'")" if test $res -ne 2 then err="${err};$die_msg" continue else die_with_status $res "$die_msg" fi fi fi done if test -n "$err" then OIFS=$IFS IFS=';' for e in $err do if test -n "$e" then echo >&2 "$e" fi done IFS=$OIFS exit 1 fi } } # # Show commit summary for submodules in index or working tree # # If '--cached' is given, show summary between index and given commit, # or between working tree and given commit # # $@ = [commit (default 'HEAD'),] requested paths (default all) # cmd_summary() { summary_limit=-1 for_status= diff_cmd=diff-index # parse $args after "submodule ... summary". while test $# -ne 0 do case "$1" in --cached) cached="$1" ;; --files) files="$1" ;; --for-status) for_status="$1" ;; -n|--summary-limit) summary_limit="$2" isnumber "$summary_limit" || usage shift ;; --summary-limit=*) summary_limit="${1#--summary-limit=}" isnumber "$summary_limit" || usage ;; --) shift break ;; -*) usage ;; *) break ;; esac shift done test $summary_limit = 0 && return if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"}) then head=$rev test $# = 0 || shift elif test -z "$1" || test "$1" = "HEAD" then # before the first commit: compare with an empty tree head=$(git hash-object -w -t tree --stdin module) if test "$status" = D || test "$status" = T then printf '%s\n' "$sm_path" continue fi # Respect the ignore setting for --for-status. if test -n "$for_status" then name=$(git submodule--helper name "$sm_path") ignore_config=$(get_submodule_config "$name" ignore none) test $status != A && test $ignore_config = all && continue fi # Also show added or modified modules which are checked out GIT_DIR="$sm_path/.git" git rev-parse --git-dir >/dev/null 2>&1 && printf '%s\n' "$sm_path" done ) test -z "$modules" && return git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules | sane_egrep '^:([0-7]* )?160000' | cut -c2- | while read -r mod_src mod_dst sha1_src sha1_dst status name do if test -z "$cached" && is_zero_oid $sha1_dst then case "$mod_dst" in 160000) sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD) ;; 100644 | 100755 | 120000) sha1_dst=$(git hash-object $name) ;; 000000) ;; # removed *) # unexpected type eval_gettextln "unexpected mode \$mod_dst" >&2 continue ;; esac fi missing_src= missing_dst= test $mod_src = 160000 && ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_src^0 >/dev/null && missing_src=t test $mod_dst = 160000 && ! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_dst^0 >/dev/null && missing_dst=t display_name=$(git submodule--helper relative-path "$name" "$wt_prefix") total_commits= case "$missing_src,$missing_dst" in t,) errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_src")" ;; ,t) errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_dst")" ;; t,t) errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commits \$sha1_src and \$sha1_dst")" ;; *) errmsg= total_commits=$( if test $mod_src = 160000 && test $mod_dst = 160000 then range="$sha1_src...$sha1_dst" elif test $mod_src = 160000 then range=$sha1_src else range=$sha1_dst fi GIT_DIR="$name/.git" \ git rev-list --first-parent $range -- | wc -l ) total_commits=" ($(($total_commits + 0)))" ;; esac sha1_abbr_src=$(echo $sha1_src | cut -c1-7) sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7) if test $status = T then blob="$(gettext "blob")" submodule="$(gettext "submodule")" if test $mod_dst = 160000 then echo "* $display_name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:" else echo "* $display_name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:" fi else echo "* $display_name $sha1_abbr_src...$sha1_abbr_dst$total_commits:" fi if test -n "$errmsg" then # Don't give error msg for modification whose dst is not submodule # i.e. deleted or changed to blob test $mod_dst = 160000 && echo "$errmsg" else if test $mod_src = 160000 && test $mod_dst = 160000 then limit= test $summary_limit -gt 0 && limit="-$summary_limit" GIT_DIR="$name/.git" \ git log $limit --pretty='format: %m %s' \ --first-parent $sha1_src...$sha1_dst elif test $mod_dst = 160000 then GIT_DIR="$name/.git" \ git log --pretty='format: > %s' -1 $sha1_dst else GIT_DIR="$name/.git" \ git log --pretty='format: < %s' -1 $sha1_src fi echo fi echo done } # # List all submodules, prefixed with: # - submodule not initialized # + different revision checked out # # If --cached was specified the revision in the index will be printed # instead of the currently checked out revision. # # $@ = requested paths (default to all) # cmd_status() { # parse $args after "submodule ... status". while test $# -ne 0 do case "$1" in -q|--quiet) GIT_QUIET=1 ;; --cached) cached=1 ;; --recursive) recursive=1 ;; --) shift break ;; -*) usage ;; *) break ;; esac shift done git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper status ${GIT_QUIET:+--quiet} ${cached:+--cached} ${recursive:+--recursive} "$@" } # # Sync remote urls for submodules # This makes the value for remote.$remote.url match the value # specified in .gitmodules. # cmd_sync() { while test $# -ne 0 do case "$1" in -q|--quiet) GIT_QUIET=1 shift ;; --recursive) recursive=1 shift ;; --) shift break ;; -*) usage ;; *) break ;; esac done git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper sync ${GIT_QUIET:+--quiet} ${recursive:+--recursive} "$@" } cmd_absorbgitdirs() { git submodule--helper absorb-git-dirs --prefix "$wt_prefix" "$@" } # This loop parses the command line arguments to find the # subcommand name to dispatch. Parsing of the subcommand specific # options are primarily done by the subcommand implementations. # Subcommand specific options such as --branch and --cached are # parsed here as well, for backward compatibility. while test $# != 0 && test -z "$command" do case "$1" in add | foreach | init | deinit | update | status | summary | sync | absorbgitdirs) command=$1 ;; -q|--quiet) GIT_QUIET=1 ;; -b|--branch) case "$2" in '') usage ;; esac branch="$2"; shift ;; --cached) cached="$1" ;; --) break ;; -*) usage ;; *) break ;; esac shift done # No command word defaults to "status" if test -z "$command" then if test $# = 0 then command=status else usage fi fi # "-b branch" is accepted only by "add" if test -n "$branch" && test "$command" != add then usage fi # "--cached" is accepted only by "status" and "summary" if test -n "$cached" && test "$command" != status && test "$command" != summary then usage fi "cmd_$command" "$@"