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authorKristian Høgsberg <krh@redhat.com>2007-11-08 16:59:00 (GMT)
committerJunio C Hamano <gitster@pobox.com>2007-11-23 01:05:02 (GMT)
commitf5bbc3225c4b073a7ff3218164a0c820299bc9c6 (patch)
tree33574c7a91f62f28dc6dc301328b276ae69960d8 /contrib/examples
parent943316e96ca2dad67086af2f945e42467a27ddd6 (diff)
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Port git commit to C.
This makes git commit a builtin and moves git-commit.sh to contrib/examples. This also removes the git-runstatus helper, which was mostly just a git-status.sh implementation detail. Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'contrib/examples')
-rwxr-xr-xcontrib/examples/git-commit.sh629
1 files changed, 629 insertions, 0 deletions
diff --git a/contrib/examples/git-commit.sh b/contrib/examples/git-commit.sh
new file mode 100755
index 0000000..4853397
--- /dev/null
+++ b/contrib/examples/git-commit.sh
@@ -0,0 +1,629 @@
+#!/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" -o "$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=
+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
+ ;;
+ --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 nor -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" -a -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
+ } >>"$GIT_DIR"/COMMIT_EDITMSG
+else
+ # we need to check if there is anything to commit
+ run_status >/dev/null
+fi
+if [ "$?" != "0" -a ! -f "$GIT_DIR/MERGE_HEAD" ]
+then
+ rm -f "$GIT_DIR/COMMIT_EDITMSG" "$GIT_DIR/SQUASH_MSG"
+ use_status_color=t
+ run_status
+ exit 1
+fi
+
+case "$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 "$quiet"
+ then
+ commit=`git diff-tree --always --shortstat --pretty="format:%h: %s"\
+ --summary --root HEAD --`
+ echo "Created${initial_commit:+ initial} commit $commit"
+ fi
+fi
+
+exit "$ret"