diff options
Diffstat (limited to 'git-submodule.sh')
| -rwxr-xr-x | git-submodule.sh | 239 |
1 files changed, 210 insertions, 29 deletions
diff --git a/git-submodule.sh b/git-submodule.sh index 67d3224c8c..a745e42bf7 100755 --- a/git-submodule.sh +++ b/git-submodule.sh @@ -4,7 +4,9 @@ # # Copyright (c) 2007 Lars Hjemli -USAGE='[--quiet] [--cached] [add <repo> [-b branch]|status|init|update] [--] [<path>...]' +USAGE="[--quiet] [--cached] \ +[add <repo> [-b branch]|status|init|update|summary [-n|--summary-limit <n>] [<commit>]] \ +[--] [<path>...]" OPTIONS_SPEC= . git-sh-setup require_work_tree @@ -153,20 +155,6 @@ cmd_add() usage fi - case "$repo" in - ./*|../*) - # dereference source url relative to parent's url - realrepo="$(resolve_relative_url $repo)" ;; - *) - # Turn the source into an absolute path if - # it is local - if base=$(get_repo_base "$repo"); then - repo="$base" - fi - realrepo=$repo - ;; - esac - # Guess path from repo if not specified or strip trailing slashes if test -z "$path"; then path=$(echo "$repo" | sed -e 's|/*$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g') @@ -174,15 +162,39 @@ cmd_add() path=$(echo "$path" | sed -e 's|/*$||') fi - test -e "$path" && - die "'$path' already exists" - git ls-files --error-unmatch "$path" > /dev/null 2>&1 && die "'$path' already exists in the index" - module_clone "$path" "$realrepo" || exit - (unset GIT_DIR; cd "$path" && git checkout -q ${branch:+-b "$branch" "origin/$branch"}) || - die "Unable to checkout submodule '$path'" + # perhaps the path exists and is already a git repo, else clone it + if test -e "$path" + then + if test -d "$path/.git" && + test "$(unset GIT_DIR; cd $path; git rev-parse --git-dir)" = ".git" + then + echo "Adding existing repo at '$path' to the index" + else + die "'$path' already exists and is not a valid git repo" + fi + else + case "$repo" in + ./*|../*) + # dereference source url relative to parent's url + realrepo="$(resolve_relative_url $repo)" ;; + *) + # Turn the source into an absolute path if + # it is local + if base=$(get_repo_base "$repo"); then + repo="$base" + fi + realrepo=$repo + ;; + esac + + module_clone "$path" "$realrepo" || exit + (unset GIT_DIR; cd "$path" && git checkout -q ${branch:+-b "$branch" "origin/$branch"}) || + die "Unable to checkout submodule '$path'" + fi + git add "$path" || die "Failed to add submodule '$path'" @@ -220,7 +232,7 @@ cmd_init() shift done - git ls-files --stage -- "$@" | grep -e '^160000 ' | + git ls-files --stage -- "$@" | grep '^160000 ' | while read mode sha1 stage path do # Skip already registered paths @@ -274,7 +286,7 @@ cmd_update() shift done - git ls-files --stage -- "$@" | grep -e '^160000 ' | + git ls-files --stage -- "$@" | grep '^160000 ' | while read mode sha1 stage path do name=$(module_name "$path") || exit @@ -315,12 +327,181 @@ set_name_rev () { cd "$1" && { git describe "$2" 2>/dev/null || git describe --tags "$2" 2>/dev/null || - git describe --contains --tags "$2" + git describe --contains "$2" 2>/dev/null || + git describe --all --always "$2" } ) ) test -z "$revname" || revname=" ($revname)" } +# +# 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 + + # parse $args after "submodule ... summary". + while test $# -ne 0 + do + case "$1" in + --cached) + cached="$1" + ;; + -n|--summary-limit) + if summary_limit=$(($2 + 0)) 2>/dev/null && test "$summary_limit" = "$2" + then + : + else + usage + fi + shift + ;; + --) + shift + break + ;; + -*) + usage + ;; + *) + break + ;; + esac + shift + done + test $summary_limit = 0 && return + + if rev=$(git rev-parse --verify "$1^0" 2>/dev/null) + then + head=$rev + shift + else + head=HEAD + fi + + cd_to_toplevel + # Get modified modules cared by user + modules=$(git diff-index $cached --raw $head -- "$@" | + grep -e '^:160000' -e '^:[0-7]* 160000' | + while read mod_src mod_dst sha1_src sha1_dst status name + do + # Always show modules deleted or type-changed (blob<->module) + test $status = D -o $status = T && echo "$name" && continue + # Also show added or modified modules which are checked out + GIT_DIR="$name/.git" git-rev-parse --git-dir >/dev/null 2>&1 && + echo "$name" + done + ) + + test -n "$modules" && + git diff-index $cached --raw $head -- $modules | + grep -e '^:160000' -e '^:[0-7]* 160000' | + cut -c2- | + while read mod_src mod_dst sha1_src sha1_dst status name + do + if test -z "$cached" && + test $sha1_dst = 0000000000000000000000000000000000000000 + then + case "$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 + echo >&2 "unexpected mode $mod_dst" + continue ;; + esac + fi + missing_src= + missing_dst= + + test $mod_src = 160000 && + ! GIT_DIR="$name/.git" git-rev-parse --verify $sha1_src^0 >/dev/null 2>&1 && + missing_src=t + + test $mod_dst = 160000 && + ! GIT_DIR="$name/.git" git-rev-parse --verify $sha1_dst^0 >/dev/null 2>&1 && + missing_dst=t + + total_commits= + case "$missing_src,$missing_dst" in + t,) + errmsg=" Warn: $name doesn't contain commit $sha1_src" + ;; + ,t) + errmsg=" Warn: $name doesn't contain commit $sha1_dst" + ;; + t,t) + errmsg=" Warn: $name doesn't contain commits $sha1_src and $sha1_dst" + ;; + *) + errmsg= + total_commits=$( + if test $mod_src = 160000 -a $mod_dst = 160000 + then + range="$sha1_src...$sha1_dst" + elif test $mod_src = 160000 + then + range=$sha1_src + else + range=$sha1_dst + fi + GIT_DIR="$name/.git" \ + git log --pretty=oneline --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 + if test $mod_dst = 160000 + then + echo "* $name $sha1_abbr_src(blob)->$sha1_abbr_dst(submodule)$total_commits:" + else + echo "* $name $sha1_abbr_src(submodule)->$sha1_abbr_dst(blob)$total_commits:" + fi + else + echo "* $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 -a $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 $sha1_src + fi + echo + fi + echo + done +} # # List all submodules, prefixed with: # - submodule not initialized @@ -357,7 +538,7 @@ cmd_status() shift done - git ls-files --stage -- "$@" | grep -e '^160000 ' | + git ls-files --stage -- "$@" | grep '^160000 ' | while read mode sha1 stage path do name=$(module_name "$path") || exit @@ -391,7 +572,7 @@ cmd_status() while test $# != 0 && test -z "$command" do case "$1" in - add | init | update | status) + add | init | update | status | summary) command=$1 ;; -q|--quiet) @@ -406,7 +587,7 @@ do branch="$2"; shift ;; --cached) - cached=1 + cached="$1" ;; --) break @@ -430,8 +611,8 @@ then usage fi -# "--cached" is accepted only by "status" -if test -n "$cached" && test "$command" != status +# "--cached" is accepted only by "status" and "summary" +if test -n "$cached" && test "$command" != status -a "$command" != summary then usage fi |