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Diffstat (limited to 'contrib/examples/git-commit.sh')
| -rwxr-xr-x | contrib/examples/git-commit.sh | 639 |
1 files changed, 639 insertions, 0 deletions
diff --git a/contrib/examples/git-commit.sh b/contrib/examples/git-commit.sh new file mode 100755 index 0000000000..86c9cfa0c7 --- /dev/null +++ b/contrib/examples/git-commit.sh @@ -0,0 +1,639 @@ +#!/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" |