diff options
Diffstat (limited to 'git-commit.sh')
-rwxr-xr-x | git-commit.sh | 739 |
1 files changed, 739 insertions, 0 deletions
diff --git a/git-commit.sh b/git-commit.sh new file mode 100755 index 0000000000..15482d21b3 --- /dev/null +++ b/git-commit.sh @@ -0,0 +1,739 @@ +#!/bin/sh +# +# Copyright (c) 2005 Linus Torvalds +# Copyright (c) 2006 Junio C Hamano + +USAGE='[-a] [-s] [-v] [--no-verify] [-m <message> | -F <logfile> | (-C|-c) <commit>] [-u] [--amend] [-e] [--author <author>] [[-i | -o] <path>...]' +SUBDIRECTORY_OK=Yes +. git-sh-setup + +git-rev-parse --verify HEAD >/dev/null 2>&1 || initial_commit=t +branch=$(GIT_DIR="$GIT_DIR" git-symbolic-ref HEAD) + +case "$0" in +*status) + status_only=t + unmerged_ok_if_status=--unmerged ;; +*commit) + status_only= + unmerged_ok_if_status= ;; +esac + +refuse_partial () { + echo >&2 "$1" + echo >&2 "You might have meant to say 'git commit -i paths...', perhaps?" + exit 1 +} + +THIS_INDEX="$GIT_DIR/index" +NEXT_INDEX="$GIT_DIR/next-index$$" +rm -f "$NEXT_INDEX" +save_index () { + cp "$THIS_INDEX" "$NEXT_INDEX" +} + +report () { + header="# +# $1: +# ($2) +# +" + trailer="" + while read status name newname + do + printf '%s' "$header" + header="" + trailer="# +" + case "$status" in + M ) echo "# modified: $name";; + D*) echo "# deleted: $name";; + T ) echo "# typechange: $name";; + C*) echo "# copied: $name -> $newname";; + R*) echo "# renamed: $name -> $newname";; + A*) echo "# new file: $name";; + U ) echo "# unmerged: $name";; + esac + done + printf '%s' "$trailer" + [ "$header" ] +} + +run_status () { + ( + # We always show status for the whole tree. + cd "$TOP" + + IS_INITIAL="$initial_commit" + REFERENCE=HEAD + case "$amend" in + t) + # If we are amending the initial commit, there + # is no HEAD^1. + if git-rev-parse --verify "HEAD^1" >/dev/null 2>&1 + then + REFERENCE="HEAD^1" + IS_INITIAL= + else + IS_INITIAL=t + fi + ;; + esac + + # If TMP_INDEX is defined, that means we are doing + # "--only" partial commit, and that index file is used + # to build the tree for the commit. Otherwise, if + # NEXT_INDEX exists, that is the index file used to + # make the commit. Otherwise we are using as-is commit + # so the regular index file is what we use to compare. + if test '' != "$TMP_INDEX" + then + GIT_INDEX_FILE="$TMP_INDEX" + export GIT_INDEX_FILE + elif test -f "$NEXT_INDEX" + then + GIT_INDEX_FILE="$NEXT_INDEX" + export GIT_INDEX_FILE + fi + + case "$branch" in + refs/heads/master) ;; + *) echo "# On branch $branch" ;; + esac + + if test -z "$IS_INITIAL" + then + git-diff-index -M --cached --name-status \ + --diff-filter=MDTCRA $REFERENCE | + sed -e ' + s/\\/\\\\/g + s/ /\\ /g + ' | + report "Updated but not checked in" "will commit" + committable="$?" + else + echo '# +# Initial commit +#' + git-ls-files | + sed -e ' + s/\\/\\\\/g + s/ /\\ /g + s/^/A / + ' | + report "Updated but not checked in" "will commit" + + committable="$?" + fi + + git-diff-files --name-status | + sed -e ' + s/\\/\\\\/g + s/ /\\ /g + ' | + report "Changed but not updated" \ + "use git-update-index to mark for commit" + + option="" + if test -z "$untracked_files"; then + option="--directory --no-empty-directory" + fi + if test -f "$GIT_DIR/info/exclude" + then + git-ls-files -z --others $option \ + --exclude-from="$GIT_DIR/info/exclude" \ + --exclude-per-directory=.gitignore + else + git-ls-files -z --others $option \ + --exclude-per-directory=.gitignore + fi | + perl -e '$/ = "\0"; + my $shown = 0; + while (<>) { + chomp; + s|\\|\\\\|g; + s|\t|\\t|g; + s|\n|\\n|g; + s/^/# /; + if (!$shown) { + print "#\n# Untracked files:\n"; + print "# (use \"git add\" to add to commit)\n"; + print "#\n"; + $shown = 1; + } + print "$_\n"; + } + ' + + if test -n "$verbose" -a -z "$IS_INITIAL" + then + git-diff-index --cached -M -p --diff-filter=MDTCRA $REFERENCE + fi + case "$committable" in + 0) + case "$amend" in + t) + echo "# No changes" ;; + *) + echo "nothing to commit" ;; + esac + exit 1 ;; + esac + exit 0 + ) +} + +trap ' + test -z "$TMP_INDEX" || { + test -f "$TMP_INDEX" && rm -f "$TMP_INDEX" + } + rm -f "$NEXT_INDEX" +' 0 + +################################################################ +# Command line argument parsing and sanity checking + +all= +also= +only= +logfile= +use_commit= +amend= +no_edit= +log_given= +log_message= +verify=t +verbose= +signoff= +force_author= +only_include_assumed= +untracked_files= +while case "$#" in 0) break;; esac +do + case "$1" in + -F|--F|-f|--f|--fi|--fil|--file) + case "$#" in 1) usage ;; esac + shift + no_edit=t + log_given=t$log_given + logfile="$1" + shift + ;; + -F*|-f*) + no_edit=t + log_given=t$log_given + logfile=`expr "$1" : '-[Ff]\(.*\)'` + shift + ;; + --F=*|--f=*|--fi=*|--fil=*|--file=*) + no_edit=t + log_given=t$log_given + logfile=`expr "$1" : '-[^=]*=\(.*\)'` + shift + ;; + -a|--a|--al|--all) + all=t + shift + ;; + --au=*|--aut=*|--auth=*|--autho=*|--author=*) + force_author=`expr "$1" : '-[^=]*=\(.*\)'` + shift + ;; + --au|--aut|--auth|--autho|--author) + case "$#" in 1) usage ;; esac + shift + force_author="$1" + shift + ;; + -e|--e|--ed|--edi|--edit) + no_edit= + shift + ;; + -i|--i|--in|--inc|--incl|--inclu|--includ|--include) + also=t + shift + ;; + -o|--o|--on|--onl|--only) + only=t + shift + ;; + -m|--m|--me|--mes|--mess|--messa|--messag|--message) + case "$#" in 1) usage ;; esac + shift + log_given=m$log_given + if test "$log_message" = '' + then + log_message="$1" + else + log_message="$log_message + +$1" + fi + no_edit=t + shift + ;; + -m*) + log_given=m$log_given + if test "$log_message" = '' + then + log_message=`expr "$1" : '-m\(.*\)'` + else + log_message="$log_message + +`expr "$1" : '-m\(.*\)'`" + fi + no_edit=t + shift + ;; + --m=*|--me=*|--mes=*|--mess=*|--messa=*|--messag=*|--message=*) + log_given=m$log_given + if test "$log_message" = '' + then + log_message=`expr "$1" : '-[^=]*=\(.*\)'` + else + log_message="$log_message + +`expr "$1" : '-[^=]*=\(.*\)'`" + fi + no_edit=t + shift + ;; + -n|--n|--no|--no-|--no-v|--no-ve|--no-ver|--no-veri|--no-verif|--no-verify) + verify= + shift + ;; + --a|--am|--ame|--amen|--amend) + amend=t + log_given=t$log_given + use_commit=HEAD + shift + ;; + -c) + case "$#" in 1) usage ;; esac + shift + log_given=t$log_given + use_commit="$1" + no_edit= + shift + ;; + --ree=*|--reed=*|--reedi=*|--reedit=*|--reedit-=*|--reedit-m=*|\ + --reedit-me=*|--reedit-mes=*|--reedit-mess=*|--reedit-messa=*|\ + --reedit-messag=*|--reedit-message=*) + log_given=t$log_given + use_commit=`expr "$1" : '-[^=]*=\(.*\)'` + no_edit= + shift + ;; + --ree|--reed|--reedi|--reedit|--reedit-|--reedit-m|--reedit-me|\ + --reedit-mes|--reedit-mess|--reedit-messa|--reedit-messag|--reedit-message) + case "$#" in 1) usage ;; esac + shift + log_given=t$log_given + use_commit="$1" + no_edit= + shift + ;; + -C) + case "$#" in 1) usage ;; esac + shift + log_given=t$log_given + use_commit="$1" + no_edit=t + shift + ;; + --reu=*|--reus=*|--reuse=*|--reuse-=*|--reuse-m=*|--reuse-me=*|\ + --reuse-mes=*|--reuse-mess=*|--reuse-messa=*|--reuse-messag=*|\ + --reuse-message=*) + log_given=t$log_given + use_commit=`expr "$1" : '-[^=]*=\(.*\)'` + no_edit=t + shift + ;; + --reu|--reus|--reuse|--reuse-|--reuse-m|--reuse-me|--reuse-mes|\ + --reuse-mess|--reuse-messa|--reuse-messag|--reuse-message) + case "$#" in 1) usage ;; esac + shift + log_given=t$log_given + use_commit="$1" + no_edit=t + shift + ;; + -s|--s|--si|--sig|--sign|--signo|--signof|--signoff) + signoff=t + shift + ;; + -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose) + verbose=t + shift + ;; + -u|--u|--un|--unt|--untr|--untra|--untrac|--untrack|--untracke|--untracked|\ + --untracked-|--untracked-f|--untracked-fi|--untracked-fil|--untracked-file|\ + --untracked-files) + untracked_files=t + shift + ;; + --) + shift + break + ;; + -*) + usage + ;; + *) + break + ;; + esac +done + +################################################################ +# Sanity check options + +case "$amend,$initial_commit" in +t,t) + die "You do not have anything to amend." ;; +t,) + if [ -f "$GIT_DIR/MERGE_HEAD" ]; then + die "You are in the middle of a merge -- cannot amend." + fi ;; +esac + +case "$log_given" in +tt*) + die "Only one of -c/-C/-F can be used." ;; +*tm*|*mt*) + die "Option -m cannot be combined with -c/-C/-F." ;; +esac + +case "$#,$also,$only,$amend" in +*,t,t,*) + die "Only one of --include/--only can be used." ;; +0,t,,* | 0,,t,) + die "No paths with --include/--only does not make sense." ;; +0,,t,t) + only_include_assumed="# Clever... amending the last one with dirty index." ;; +0,,,*) + ;; +*,,,*) + only_include_assumed="# Explicit paths specified without -i nor -o; assuming --only paths..." + also= + ;; +esac +unset only +case "$all,$also,$#" in +t,t,*) + die "Cannot use -a and -i at the same time." ;; +t,,[1-9]*) + die "Paths with -a does not make sense." ;; +,t,0) + die "No paths with -i does not make sense." ;; +esac + +################################################################ +# Prepare index to have a tree to be committed + +TOP=`git-rev-parse --show-cdup` +if test -z "$TOP" +then + TOP=./ +fi + +case "$all,$also" in +t,) + save_index && + ( + cd "$TOP" + GIT_INDEX_FILE="$NEXT_INDEX" + export GIT_INDEX_FILE + git-diff-files --name-only -z | + git-update-index --remove -z --stdin + ) + ;; +,t) + save_index && + git-ls-files --error-unmatch -- "$@" >/dev/null || exit + + git-diff-files --name-only -z -- "$@" | + ( + cd "$TOP" + GIT_INDEX_FILE="$NEXT_INDEX" + export GIT_INDEX_FILE + git-update-index --remove -z --stdin + ) + ;; +,) + case "$#" in + 0) + ;; # commit as-is + *) + if test -f "$GIT_DIR/MERGE_HEAD" + then + refuse_partial "Cannot do a partial commit during a merge." + fi + TMP_INDEX="$GIT_DIR/tmp-index$$" + if test -z "$initial_commit" + then + # make sure index is clean at the specified paths, or + # they are additions. + dirty_in_index=`git-diff-index --cached --name-status \ + --diff-filter=DMTU HEAD -- "$@"` + test -z "$dirty_in_index" || + refuse_partial "Different in index and the last commit: +$dirty_in_index" + fi + commit_only=`git-ls-files --error-unmatch -- "$@"` || exit + + # Build the temporary index and update the real index + # the same way. + if test -z "$initial_commit" + then + cp "$THIS_INDEX" "$TMP_INDEX" + GIT_INDEX_FILE="$TMP_INDEX" git-read-tree -m HEAD + else + rm -f "$TMP_INDEX" + fi || exit + + echo "$commit_only" | + GIT_INDEX_FILE="$TMP_INDEX" \ + git-update-index --add --remove --stdin && + + save_index && + echo "$commit_only" | + ( + GIT_INDEX_FILE="$NEXT_INDEX" + export GIT_INDEX_FILE + git-update-index --remove --stdin + ) || exit + ;; + esac + ;; +esac + +################################################################ +# If we do as-is commit, the index file will be THIS_INDEX, +# otherwise NEXT_INDEX after we make this commit. We leave +# the index as is if we abort. + +if test -f "$NEXT_INDEX" +then + USE_INDEX="$NEXT_INDEX" +else + USE_INDEX="$THIS_INDEX" +fi + +GIT_INDEX_FILE="$USE_INDEX" \ + git-update-index -q $unmerged_ok_if_status --refresh || exit + +################################################################ +# If the request is status, just show it and exit. + +case "$0" in +*status) + run_status + exit $? +esac + +################################################################ +# Grab commit message, write out tree and make commit. + +if test t = "$verify" && test -x "$GIT_DIR"/hooks/pre-commit +then + if test "$TMP_INDEX" + then + GIT_INDEX_FILE="$TMP_INDEX" "$GIT_DIR"/hooks/pre-commit + else + GIT_INDEX_FILE="$USE_INDEX" "$GIT_DIR"/hooks/pre-commit + fi || exit +fi + +if test "$log_message" != '' +then + echo "$log_message" +elif test "$logfile" != "" +then + if test "$logfile" = - + then + test -t 0 && + echo >&2 "(reading log message from standard input)" + cat + else + cat <"$logfile" + fi +elif test "$use_commit" != "" +then + git-cat-file commit "$use_commit" | sed -e '1,/^$/d' +elif test -f "$GIT_DIR/MERGE_HEAD" && test -f "$GIT_DIR/MERGE_MSG" +then + cat "$GIT_DIR/MERGE_MSG" +fi | git-stripspace >"$GIT_DIR"/COMMIT_EDITMSG + +case "$signoff" in +t) + { + echo + git-var GIT_COMMITTER_IDENT | sed -e ' + s/>.*/>/ + s/^/Signed-off-by: / + ' + } >>"$GIT_DIR"/COMMIT_EDITMSG + ;; +esac + +if test -f "$GIT_DIR/MERGE_HEAD" && test -z "$no_edit"; then + echo "#" + echo "# It looks like you may be committing a MERGE." + echo "# If this is not correct, please remove the file" + echo "# $GIT_DIR/MERGE_HEAD" + echo "# and try again" + echo "#" +fi >>"$GIT_DIR"/COMMIT_EDITMSG + +# Author +if test '' != "$force_author" +then + GIT_AUTHOR_NAME=`expr "z$force_author" : 'z\(.*[^ ]\) *<.*'` && + GIT_AUTHOR_EMAIL=`expr "z$force_author" : '.*\(<.*\)'` && + test '' != "$GIT_AUTHOR_NAME" && + test '' != "$GIT_AUTHOR_EMAIL" || + die "malformatted --author parameter" + export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL +elif test '' != "$use_commit" +then + pick_author_script=' + /^author /{ + s/'\''/'\''\\'\'\''/g + h + s/^author \([^<]*\) <[^>]*> .*$/\1/ + s/'\''/'\''\'\'\''/g + s/.*/GIT_AUTHOR_NAME='\''&'\''/p + + g + s/^author [^<]* <\([^>]*\)> .*$/\1/ + s/'\''/'\''\'\'\''/g + s/.*/GIT_AUTHOR_EMAIL='\''&'\''/p + + g + s/^author [^<]* <[^>]*> \(.*\)$/\1/ + s/'\''/'\''\'\'\''/g + s/.*/GIT_AUTHOR_DATE='\''&'\''/p + + q + } + ' + set_author_env=`git-cat-file commit "$use_commit" | + LANG=C LC_ALL=C sed -ne "$pick_author_script"` + eval "$set_author_env" + export GIT_AUTHOR_NAME + export GIT_AUTHOR_EMAIL + export GIT_AUTHOR_DATE +fi + +PARENTS="-p HEAD" +if test -z "$initial_commit" +then + if [ -f "$GIT_DIR/MERGE_HEAD" ]; then + PARENTS="-p HEAD "`sed -e 's/^/-p /' "$GIT_DIR/MERGE_HEAD"` + elif test -n "$amend"; then + PARENTS=$(git-cat-file commit HEAD | + sed -n -e '/^$/q' -e 's/^parent /-p /p') + fi + current=$(git-rev-parse --verify HEAD) +else + if [ -z "$(git-ls-files)" ]; then + echo >&2 Nothing to commit + exit 1 + fi + PARENTS="" + current= +fi + +if test -z "$no_edit" +then + { + echo "" + echo "# Please enter the commit message for your changes." + echo "# (Comment lines starting with '#' will not be included)" + test -z "$only_include_assumed" || echo "$only_include_assumed" + run_status + } >>"$GIT_DIR"/COMMIT_EDITMSG +else + # we need to check if there is anything to commit + run_status >/dev/null +fi +if [ "$?" != "0" -a ! -f "$GIT_DIR/MERGE_HEAD" -a -z "$amend" ] +then + rm -f "$GIT_DIR/COMMIT_EDITMSG" + run_status + exit 1 +fi + +case "$no_edit" in +'') + case "${VISUAL:-$EDITOR},$TERM" in + ,dumb) + echo >&2 "Terminal is dumb but no VISUAL nor EDITOR defined." + echo >&2 "Please supply the commit log message using either" + echo >&2 "-m or -F option. A boilerplate log message has" + echo >&2 "been prepared in $GIT_DIR/COMMIT_EDITMSG" + exit 1 + ;; + esac + git-var GIT_AUTHOR_IDENT > /dev/null || die + git-var GIT_COMMITTER_IDENT > /dev/null || die + ${VISUAL:-${EDITOR:-vi}} "$GIT_DIR/COMMIT_EDITMSG" + ;; +esac + +case "$verify" in +t) + if test -x "$GIT_DIR"/hooks/commit-msg + then + "$GIT_DIR"/hooks/commit-msg "$GIT_DIR"/COMMIT_EDITMSG || exit + fi +esac + +sed -e ' + /^diff --git a\/.*/{ + s/// + q + } + /^#/d +' "$GIT_DIR"/COMMIT_EDITMSG | +git-stripspace >"$GIT_DIR"/COMMIT_MSG + +if cnt=`grep -v -i '^Signed-off-by' "$GIT_DIR"/COMMIT_MSG | + git-stripspace | + wc -l` && + test 0 -lt $cnt +then + if test -z "$TMP_INDEX" + then + tree=$(GIT_INDEX_FILE="$USE_INDEX" git-write-tree) + else + tree=$(GIT_INDEX_FILE="$TMP_INDEX" git-write-tree) && + rm -f "$TMP_INDEX" + fi && + commit=$(cat "$GIT_DIR"/COMMIT_MSG | git-commit-tree $tree $PARENTS) && + git-update-ref HEAD $commit $current && + rm -f -- "$GIT_DIR/MERGE_HEAD" && + if test -f "$NEXT_INDEX" + then + mv "$NEXT_INDEX" "$THIS_INDEX" + else + : ;# happy + fi +else + echo >&2 "* no commit message? aborting commit." + false +fi +ret="$?" +rm -f "$GIT_DIR/COMMIT_MSG" "$GIT_DIR/COMMIT_EDITMSG" +if test -d "$GIT_DIR/rr-cache" +then + git-rerere +fi + +if test -x "$GIT_DIR"/hooks/post-commit && test "$ret" = 0 +then + "$GIT_DIR"/hooks/post-commit +fi +exit "$ret" |