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git-commit.sh
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#!/bin/sh # # Copyright (c) 2005 Linus Torvalds # Copyright (c) 2006 Junio C Hamano USAGE='[-a | --interactive] [-s] [-v] [--no-verify] [-m <message> | -F <logfile> | (-C|-c) <commit> | --amend] [-u] [-e] [--author <author>] [--template <file>] [[-i | -o] <path>...]' SUBDIRECTORY_OK=Yes OPTIONS_SPEC= . git-sh-setup require_work_tree git rev-parse --verify HEAD >/dev/null 2>&1 || initial_commit=t case "$0" in *status) status_only=t ;; *commit) status_only= ;; esac refuse_partial () { echo >&2 "$1" echo >&2 "You might have meant to say 'git commit -i paths...', perhaps?" exit 1 } TMP_INDEX= THIS_INDEX="${GIT_INDEX_FILE:-$GIT_DIR/index}" NEXT_INDEX="$GIT_DIR/next-index$$" rm -f "$NEXT_INDEX" save_index () { cp -p "$THIS_INDEX" "$NEXT_INDEX" } run_status () { # 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 if test "$status_only" = "t" || test "$use_status_color" = "t"; then color= else color=--nocolor fi git runstatus ${color} \ ${verbose:+--verbose} \ ${amend:+--amend} \ ${untracked_files:+--untracked} } 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= allow_empty=f interactive= only= logfile= use_commit= amend= edit_flag= no_edit= log_given= log_message= verify=t quiet= verbose= signoff= force_author= only_include_assumed= untracked_files= templatefile="$(git config commit.template)" while test $# != 0 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" ;; -F*|-f*) no_edit=t log_given=t$log_given logfile="${1#-[Ff]}" ;; --F=*|--f=*|--fi=*|--fil=*|--file=*) no_edit=t log_given=t$log_given logfile="${1#*=}" ;; -a|--a|--al|--all) all=t ;; --allo|--allow|--allow-|--allow-e|--allow-em|--allow-emp|\ --allow-empt|--allow-empty) allow_empty=t ;; --au=*|--aut=*|--auth=*|--autho=*|--author=*) force_author="${1#*=}" ;; --au|--aut|--auth|--autho|--author) case "$#" in 1) usage ;; esac shift force_author="$1" ;; -e|--e|--ed|--edi|--edit) edit_flag=t ;; -i|--i|--in|--inc|--incl|--inclu|--includ|--include) also=t ;; --int|--inte|--inter|--intera|--interac|--interact|--interacti|\ --interactiv|--interactive) interactive=t ;; -o|--o|--on|--onl|--only) only=t ;; -m|--m|--me|--mes|--mess|--messa|--messag|--message) case "$#" in 1) usage ;; esac shift log_given=m$log_given log_message="${log_message:+${log_message} }$1" no_edit=t ;; -m*) log_given=m$log_given log_message="${log_message:+${log_message} }${1#-m}" no_edit=t ;; --m=*|--me=*|--mes=*|--mess=*|--messa=*|--messag=*|--message=*) log_given=m$log_given log_message="${log_message:+${log_message} }${1#*=}" no_edit=t ;; -n|--n|--no|--no-|--no-v|--no-ve|--no-ver|--no-veri|--no-verif|\ --no-verify) verify= ;; --a|--am|--ame|--amen|--amend) amend=t use_commit=HEAD ;; -c) case "$#" in 1) usage ;; esac shift log_given=t$log_given use_commit="$1" no_edit= ;; --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="${1#*=}" no_edit= ;; --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= ;; -C) case "$#" in 1) usage ;; esac shift log_given=t$log_given use_commit="$1" no_edit=t ;; --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="${1#*=}" no_edit=t ;; --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 ;; -s|--s|--si|--sig|--sign|--signo|--signof|--signoff) signoff=t ;; -t|--t|--te|--tem|--temp|--templ|--templa|--templat|--template) case "$#" in 1) usage ;; esac shift templatefile="$1" no_edit= ;; -q|--q|--qu|--qui|--quie|--quiet) quiet=t ;; -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose) verbose=t ;; -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 break ;; -*) usage ;; *) break ;; esac shift done case "$edit_flag" in t) no_edit= ;; esac ################################################################ # 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 or -o; assuming --only paths..." also= ;; esac unset only case "$all,$interactive,$also,$#" in *t,*t,*) die "Cannot use -a, --interactive or -i at the same time." ;; t,,,[1-9]*) die "Paths with -a does not make sense." ;; ,t,,[1-9]*) die "Paths with --interactive does not make sense." ;; ,,t,0) die "No paths with -i does not make sense." ;; esac if test ! -z "$templatefile" && test -z "$log_given" then if test ! -f "$templatefile" then die "Commit template file does not exist." fi fi ################################################################ # Prepare index to have a tree to be committed case "$all,$also" in t,) if test ! -f "$THIS_INDEX" then die 'nothing to commit (use "git add file1 file2" to include for commit)' fi save_index && ( cd_to_toplevel && GIT_INDEX_FILE="$NEXT_INDEX" && export GIT_INDEX_FILE && git diff-files --name-only -z | git update-index --remove -z --stdin ) || exit ;; ,t) save_index && git ls-files --error-unmatch -- "$@" >/dev/null || exit git diff-files --name-only -z -- "$@" | ( cd_to_toplevel && GIT_INDEX_FILE="$NEXT_INDEX" && export GIT_INDEX_FILE && git update-index --remove -z --stdin ) || exit ;; ,) if test "$interactive" = t; then git add --interactive || exit fi 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$$" W= test -z "$initial_commit" && W=--with-tree=HEAD commit_only=$(git ls-files --error-unmatch $W -- "$@") || exit # Build a temporary index and update the real index # the same way. if test -z "$initial_commit" then GIT_INDEX_FILE="$THIS_INDEX" \ git read-tree --index-output="$TMP_INDEX" -i -m HEAD else rm -f "$TMP_INDEX" fi || exit printf '%s\n' "$commit_only" | GIT_INDEX_FILE="$TMP_INDEX" \ git update-index --add --remove --stdin && save_index && printf '%s\n' "$commit_only" | ( GIT_INDEX_FILE="$NEXT_INDEX" export GIT_INDEX_FILE git update-index --add --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="$THIS_INDEX" fi case "$status_only" in t) # This will silently fail in a read-only repository, which is # what we want. GIT_INDEX_FILE="$USE_INDEX" git update-index -q --unmerged --refresh run_status exit $? ;; '') GIT_INDEX_FILE="$USE_INDEX" git update-index -q --refresh || exit ;; esac ################################################################ # Grab commit message, write out tree and make commit. if test t = "$verify" && test -x "$GIT_DIR"/hooks/pre-commit then GIT_INDEX_FILE="${TMP_INDEX:-${USE_INDEX}}" "$GIT_DIR"/hooks/pre-commit \ || exit fi if test "$log_message" != '' then printf '%s\n' "$log_message" elif test "$logfile" != "" then if test "$logfile" = - then test -t 0 && echo >&2 "(reading log message from standard input)" cat else cat <"$logfile" fi elif test "$use_commit" != "" then encoding=$(git config i18n.commitencoding || echo UTF-8) git show -s --pretty=raw --encoding="$encoding" "$use_commit" | sed -e '1,/^$/d' -e 's/^ //' elif test -f "$GIT_DIR/MERGE_MSG" then cat "$GIT_DIR/MERGE_MSG" elif test -f "$GIT_DIR/SQUASH_MSG" then cat "$GIT_DIR/SQUASH_MSG" elif test "$templatefile" != "" then cat "$templatefile" fi | git stripspace >"$GIT_DIR"/COMMIT_EDITMSG case "$signoff" in t) sign=$(git var GIT_COMMITTER_IDENT | sed -e ' s/>.*/>/ s/^/Signed-off-by: / ') blank_before_signoff= tail -n 1 "$GIT_DIR"/COMMIT_EDITMSG | grep 'Signed-off-by:' >/dev/null || blank_before_signoff=' ' tail -n 1 "$GIT_DIR"/COMMIT_EDITMSG | grep "$sign"$ >/dev/null || printf '%s%s\n' "$blank_before_signoff" "$sign" \ >>"$GIT_DIR"/COMMIT_EDITMSG ;; esac if test -f "$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" printf '%s\n' "# $GIT_DIR/MERGE_HEAD" echo "# and try again" echo "#" fi >>"$GIT_DIR"/COMMIT_EDITMSG # Author if test '' != "$use_commit" then eval "$(get_author_ident_from_commit "$use_commit")" export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL GIT_AUTHOR_DATE fi if test '' != "$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 "malformed --author parameter" export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL fi PARENTS="-p HEAD" if test -z "$initial_commit" then rloga='commit' if [ -f "$GIT_DIR/MERGE_HEAD" ]; then rloga='commit (merge)' PARENTS="-p HEAD "$(sed -e 's/^/-p /' "$GIT_DIR/MERGE_HEAD") elif test -n "$amend"; then rloga='commit (amend)' PARENTS=$(git cat-file commit HEAD | sed -n -e '/^$/q' -e 's/^parent /-p /p') fi current="$(git rev-parse --verify HEAD)" else if [ -z "$(git ls-files)" ]; then echo >&2 'nothing to commit (use "git add file1 file2" to include for commit)' exit 1 fi PARENTS="" rloga='commit (initial)' current='' fi set_reflog_action "$rloga" 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 case "$allow_empty,$?,$PARENTS" in t,* | ?,0,* | ?,*,-p' '?*-p' '?*) # an explicit --allow-empty, or a merge commit can record the # same tree as its parent. Otherwise having commitable paths # is required. ;; *) rm -f "$GIT_DIR/COMMIT_EDITMSG" "$GIT_DIR/SQUASH_MSG" use_status_color=t run_status exit 1 esac case "$no_edit" in '') git var GIT_AUTHOR_IDENT > /dev/null || die git var GIT_COMMITTER_IDENT > /dev/null || die git_editor "$GIT_DIR/COMMIT_EDITMSG" ;; esac case "$verify" in t) if test -x "$GIT_DIR"/hooks/commit-msg then "$GIT_DIR"/hooks/commit-msg "$GIT_DIR"/COMMIT_EDITMSG || exit fi esac if test -z "$no_edit" then sed -e ' /^diff --git a\/.*/{ s/// q } /^#/d ' "$GIT_DIR"/COMMIT_EDITMSG else cat "$GIT_DIR"/COMMIT_EDITMSG fi | git stripspace >"$GIT_DIR"/COMMIT_MSG # Test whether the commit message has any content we didn't supply. have_commitmsg= grep -v -i '^Signed-off-by' "$GIT_DIR"/COMMIT_MSG | git stripspace > "$GIT_DIR"/COMMIT_BAREMSG # Is the commit message totally empty? if test -s "$GIT_DIR"/COMMIT_BAREMSG then if test "$templatefile" != "" then # Test whether this is just the unaltered template. if cnt=`sed -e '/^#/d' < "$templatefile" | git stripspace | diff "$GIT_DIR"/COMMIT_BAREMSG - | wc -l` && test 0 -lt $cnt then have_commitmsg=t fi else # No template, so the content in the commit message must # have come from the user. have_commitmsg=t fi fi rm -f "$GIT_DIR"/COMMIT_BAREMSG if test "$have_commitmsg" = "t" then if test -z "$TMP_INDEX" then tree=$(GIT_INDEX_FILE="$USE_INDEX" git write-tree) else tree=$(GIT_INDEX_FILE="$TMP_INDEX" git write-tree) && rm -f "$TMP_INDEX" fi && commit=$(git commit-tree $tree $PARENTS <"$GIT_DIR/COMMIT_MSG") && rlogm=$(sed -e 1q "$GIT_DIR"/COMMIT_MSG) && git update-ref -m "$GIT_REFLOG_ACTION: $rlogm" HEAD $commit "$current" && rm -f -- "$GIT_DIR/MERGE_HEAD" "$GIT_DIR/MERGE_MSG" && 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" "$GIT_DIR/SQUASH_MSG" cd_to_toplevel git rerere if test "$ret" = 0 then git gc --auto if test -x "$GIT_DIR"/hooks/post-commit then "$GIT_DIR"/hooks/post-commit fi if test -z "$quiet" then commit=`git diff-tree --always --shortstat --pretty="format:%h: %s"\ --abbrev --summary --root HEAD --` echo "Created${initial_commit:+ initial} commit $commit" fi fi exit "$ret"