0341091a9e
* jc/autogc: git-gc --auto: run "repack -A -d -l" as necessary. git-gc --auto: restructure the way "repack" command line is built. git-gc --auto: protect ourselves from accumulated cruft git-gc --auto: add documentation. git-gc --auto: move threshold check to need_to_gc() function. repack -A -d: use --keep-unreachable when repacking pack-objects --keep-unreachable Export matches_pack_name() and fix its return value Invoke "git gc --auto" from commit, merge, am and rebase. Implement git gc --auto
629 lines
14 KiB
Bash
Executable File
629 lines
14 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2005 Linus Torvalds
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# Copyright (c) 2006 Junio C Hamano
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USAGE='[-a | --interactive] [-s] [-v] [--no-verify] [-m <message> | -F <logfile> | (-C|-c) <commit> | --amend] [-u] [-e] [--author <author>] [--template <file>] [[-i | -o] <path>...]'
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SUBDIRECTORY_OK=Yes
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. git-sh-setup
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require_work_tree
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git rev-parse --verify HEAD >/dev/null 2>&1 || initial_commit=t
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case "$0" in
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*status)
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status_only=t
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;;
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*commit)
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status_only=
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;;
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esac
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refuse_partial () {
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echo >&2 "$1"
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echo >&2 "You might have meant to say 'git commit -i paths...', perhaps?"
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exit 1
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}
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TMP_INDEX=
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THIS_INDEX="$GIT_DIR/index"
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NEXT_INDEX="$GIT_DIR/next-index$$"
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rm -f "$NEXT_INDEX"
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save_index () {
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cp -p "$THIS_INDEX" "$NEXT_INDEX"
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}
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run_status () {
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# If TMP_INDEX is defined, that means we are doing
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# "--only" partial commit, and that index file is used
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# to build the tree for the commit. Otherwise, if
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# NEXT_INDEX exists, that is the index file used to
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# make the commit. Otherwise we are using as-is commit
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# so the regular index file is what we use to compare.
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if test '' != "$TMP_INDEX"
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then
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GIT_INDEX_FILE="$TMP_INDEX"
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export GIT_INDEX_FILE
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elif test -f "$NEXT_INDEX"
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then
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GIT_INDEX_FILE="$NEXT_INDEX"
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export GIT_INDEX_FILE
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fi
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if test "$status_only" = "t" -o "$use_status_color" = "t"; then
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color=
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else
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color=--nocolor
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fi
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git runstatus ${color} \
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${verbose:+--verbose} \
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${amend:+--amend} \
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${untracked_files:+--untracked}
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}
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trap '
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test -z "$TMP_INDEX" || {
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test -f "$TMP_INDEX" && rm -f "$TMP_INDEX"
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}
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rm -f "$NEXT_INDEX"
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' 0
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################################################################
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# Command line argument parsing and sanity checking
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all=
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also=
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interactive=
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only=
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logfile=
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use_commit=
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amend=
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edit_flag=
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no_edit=
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log_given=
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log_message=
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verify=t
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quiet=
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verbose=
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signoff=
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force_author=
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only_include_assumed=
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untracked_files=
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templatefile="`git config commit.template`"
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while test $# != 0
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do
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case "$1" in
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-F|--F|-f|--f|--fi|--fil|--file)
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case "$#" in 1) usage ;; esac
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shift
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no_edit=t
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log_given=t$log_given
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logfile="$1"
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;;
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-F*|-f*)
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no_edit=t
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log_given=t$log_given
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logfile="${1#-[Ff]}"
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;;
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--F=*|--f=*|--fi=*|--fil=*|--file=*)
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no_edit=t
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log_given=t$log_given
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logfile="${1#*=}"
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;;
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-a|--a|--al|--all)
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all=t
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;;
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--au=*|--aut=*|--auth=*|--autho=*|--author=*)
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force_author="${1#*=}"
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;;
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--au|--aut|--auth|--autho|--author)
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case "$#" in 1) usage ;; esac
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shift
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force_author="$1"
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;;
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-e|--e|--ed|--edi|--edit)
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edit_flag=t
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;;
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-i|--i|--in|--inc|--incl|--inclu|--includ|--include)
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also=t
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;;
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--int|--inte|--inter|--intera|--interac|--interact|--interacti|\
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--interactiv|--interactive)
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interactive=t
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;;
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-o|--o|--on|--onl|--only)
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only=t
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;;
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-m|--m|--me|--mes|--mess|--messa|--messag|--message)
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case "$#" in 1) usage ;; esac
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shift
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log_given=m$log_given
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log_message="${log_message:+${log_message}
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}$1"
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no_edit=t
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;;
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-m*)
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log_given=m$log_given
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log_message="${log_message:+${log_message}
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}${1#-m}"
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no_edit=t
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;;
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--m=*|--me=*|--mes=*|--mess=*|--messa=*|--messag=*|--message=*)
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log_given=m$log_given
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log_message="${log_message:+${log_message}
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}${1#*=}"
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no_edit=t
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;;
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-n|--n|--no|--no-|--no-v|--no-ve|--no-ver|--no-veri|--no-verif|\
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--no-verify)
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verify=
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;;
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--a|--am|--ame|--amen|--amend)
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amend=t
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use_commit=HEAD
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;;
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-c)
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case "$#" in 1) usage ;; esac
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shift
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log_given=t$log_given
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use_commit="$1"
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no_edit=
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;;
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--ree=*|--reed=*|--reedi=*|--reedit=*|--reedit-=*|--reedit-m=*|\
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--reedit-me=*|--reedit-mes=*|--reedit-mess=*|--reedit-messa=*|\
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--reedit-messag=*|--reedit-message=*)
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log_given=t$log_given
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use_commit="${1#*=}"
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no_edit=
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;;
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--ree|--reed|--reedi|--reedit|--reedit-|--reedit-m|--reedit-me|\
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--reedit-mes|--reedit-mess|--reedit-messa|--reedit-messag|\
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--reedit-message)
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case "$#" in 1) usage ;; esac
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shift
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log_given=t$log_given
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use_commit="$1"
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no_edit=
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;;
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-C)
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case "$#" in 1) usage ;; esac
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shift
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log_given=t$log_given
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use_commit="$1"
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no_edit=t
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;;
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--reu=*|--reus=*|--reuse=*|--reuse-=*|--reuse-m=*|--reuse-me=*|\
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--reuse-mes=*|--reuse-mess=*|--reuse-messa=*|--reuse-messag=*|\
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--reuse-message=*)
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log_given=t$log_given
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use_commit="${1#*=}"
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no_edit=t
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;;
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--reu|--reus|--reuse|--reuse-|--reuse-m|--reuse-me|--reuse-mes|\
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--reuse-mess|--reuse-messa|--reuse-messag|--reuse-message)
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case "$#" in 1) usage ;; esac
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shift
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log_given=t$log_given
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use_commit="$1"
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no_edit=t
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;;
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-s|--s|--si|--sig|--sign|--signo|--signof|--signoff)
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signoff=t
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;;
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-t|--t|--te|--tem|--temp|--templ|--templa|--templat|--template)
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case "$#" in 1) usage ;; esac
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shift
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templatefile="$1"
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no_edit=
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;;
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-q|--q|--qu|--qui|--quie|--quiet)
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quiet=t
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;;
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-v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
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verbose=t
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;;
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-u|--u|--un|--unt|--untr|--untra|--untrac|--untrack|--untracke|\
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--untracked|--untracked-|--untracked-f|--untracked-fi|--untracked-fil|\
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--untracked-file|--untracked-files)
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untracked_files=t
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;;
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--)
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shift
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break
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;;
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-*)
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usage
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;;
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*)
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break
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;;
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esac
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shift
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done
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case "$edit_flag" in t) no_edit= ;; esac
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################################################################
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# Sanity check options
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case "$amend,$initial_commit" in
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t,t)
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die "You do not have anything to amend." ;;
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t,)
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if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
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die "You are in the middle of a merge -- cannot amend."
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fi ;;
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esac
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case "$log_given" in
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tt*)
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die "Only one of -c/-C/-F can be used." ;;
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*tm*|*mt*)
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die "Option -m cannot be combined with -c/-C/-F." ;;
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esac
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case "$#,$also,$only,$amend" in
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*,t,t,*)
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die "Only one of --include/--only can be used." ;;
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0,t,,* | 0,,t,)
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die "No paths with --include/--only does not make sense." ;;
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0,,t,t)
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only_include_assumed="# Clever... amending the last one with dirty index." ;;
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0,,,*)
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;;
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*,,,*)
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only_include_assumed="# Explicit paths specified without -i nor -o; assuming --only paths..."
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also=
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;;
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esac
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unset only
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case "$all,$interactive,$also,$#" in
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*t,*t,*)
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die "Cannot use -a, --interactive or -i at the same time." ;;
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t,,[1-9]*)
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die "Paths with -a does not make sense." ;;
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,t,[1-9]*)
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die "Paths with --interactive does not make sense." ;;
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,,t,0)
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die "No paths with -i does not make sense." ;;
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esac
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if test ! -z "$templatefile" -a -z "$log_given"
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then
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if test ! -f "$templatefile"
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then
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die "Commit template file does not exist."
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fi
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fi
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################################################################
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# Prepare index to have a tree to be committed
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case "$all,$also" in
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t,)
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if test ! -f "$THIS_INDEX"
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then
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die 'nothing to commit (use "git add file1 file2" to include for commit)'
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fi
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save_index &&
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(
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cd_to_toplevel &&
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GIT_INDEX_FILE="$NEXT_INDEX" &&
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export GIT_INDEX_FILE &&
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git diff-files --name-only -z |
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git update-index --remove -z --stdin
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) || exit
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;;
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,t)
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save_index &&
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git ls-files --error-unmatch -- "$@" >/dev/null || exit
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git diff-files --name-only -z -- "$@" |
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(
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cd_to_toplevel &&
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GIT_INDEX_FILE="$NEXT_INDEX" &&
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export GIT_INDEX_FILE &&
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git update-index --remove -z --stdin
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) || exit
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;;
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,)
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if test "$interactive" = t; then
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git add --interactive || exit
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fi
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case "$#" in
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0)
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;; # commit as-is
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*)
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if test -f "$GIT_DIR/MERGE_HEAD"
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then
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refuse_partial "Cannot do a partial commit during a merge."
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fi
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TMP_INDEX="$GIT_DIR/tmp-index$$"
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W=
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test -z "$initial_commit" && W=--with-tree=HEAD
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commit_only=`git ls-files --error-unmatch $W -- "$@"` || exit
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# Build a temporary index and update the real index
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# the same way.
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if test -z "$initial_commit"
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then
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GIT_INDEX_FILE="$THIS_INDEX" \
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git read-tree --index-output="$TMP_INDEX" -i -m HEAD
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else
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rm -f "$TMP_INDEX"
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fi || exit
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printf '%s\n' "$commit_only" |
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GIT_INDEX_FILE="$TMP_INDEX" \
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git update-index --add --remove --stdin &&
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save_index &&
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printf '%s\n' "$commit_only" |
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(
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GIT_INDEX_FILE="$NEXT_INDEX"
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export GIT_INDEX_FILE
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git update-index --add --remove --stdin
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) || exit
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;;
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esac
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;;
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esac
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################################################################
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# If we do as-is commit, the index file will be THIS_INDEX,
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# otherwise NEXT_INDEX after we make this commit. We leave
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# the index as is if we abort.
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if test -f "$NEXT_INDEX"
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then
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USE_INDEX="$NEXT_INDEX"
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else
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USE_INDEX="$THIS_INDEX"
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fi
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|
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case "$status_only" in
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t)
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# This will silently fail in a read-only repository, which is
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# what we want.
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GIT_INDEX_FILE="$USE_INDEX" git update-index -q --unmerged --refresh
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run_status
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exit $?
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;;
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'')
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GIT_INDEX_FILE="$USE_INDEX" git update-index -q --refresh || exit
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;;
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esac
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################################################################
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# Grab commit message, write out tree and make commit.
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if test t = "$verify" && test -x "$GIT_DIR"/hooks/pre-commit
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then
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GIT_INDEX_FILE="${TMP_INDEX:-${USE_INDEX}}" "$GIT_DIR"/hooks/pre-commit \
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|| exit
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fi
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|
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if test "$log_message" != ''
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then
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printf '%s\n' "$log_message"
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elif test "$logfile" != ""
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then
|
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if test "$logfile" = -
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then
|
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test -t 0 &&
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echo >&2 "(reading log message from standard input)"
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cat
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else
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cat <"$logfile"
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fi
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elif test "$use_commit" != ""
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then
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encoding=$(git config i18n.commitencoding || echo UTF-8)
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git show -s --pretty=raw --encoding="$encoding" "$use_commit" |
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sed -e '1,/^$/d' -e 's/^ //'
|
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elif test -f "$GIT_DIR/MERGE_MSG"
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then
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cat "$GIT_DIR/MERGE_MSG"
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elif test -f "$GIT_DIR/SQUASH_MSG"
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then
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cat "$GIT_DIR/SQUASH_MSG"
|
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elif test "$templatefile" != ""
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then
|
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cat "$templatefile"
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fi | git stripspace >"$GIT_DIR"/COMMIT_EDITMSG
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|
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case "$signoff" in
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t)
|
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sign=$(git-var GIT_COMMITTER_IDENT | sed -e '
|
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s/>.*/>/
|
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s/^/Signed-off-by: /
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')
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blank_before_signoff=
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tail -n 1 "$GIT_DIR"/COMMIT_EDITMSG |
|
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grep 'Signed-off-by:' >/dev/null || blank_before_signoff='
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'
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tail -n 1 "$GIT_DIR"/COMMIT_EDITMSG |
|
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grep "$sign"$ >/dev/null ||
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printf '%s%s\n' "$blank_before_signoff" "$sign" \
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>>"$GIT_DIR"/COMMIT_EDITMSG
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;;
|
|
esac
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|
|
|
if test -f "$GIT_DIR/MERGE_HEAD" && test -z "$no_edit"; then
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echo "#"
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echo "# It looks like you may be committing a MERGE."
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echo "# If this is not correct, please remove the file"
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printf '%s\n' "# $GIT_DIR/MERGE_HEAD"
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echo "# and try again"
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echo "#"
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|
fi >>"$GIT_DIR"/COMMIT_EDITMSG
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|
|
# Author
|
|
if test '' != "$use_commit"
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then
|
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eval "$(get_author_ident_from_commit "$use_commit")"
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export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL GIT_AUTHOR_DATE
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|
fi
|
|
if test '' != "$force_author"
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then
|
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GIT_AUTHOR_NAME=`expr "z$force_author" : 'z\(.*[^ ]\) *<.*'` &&
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GIT_AUTHOR_EMAIL=`expr "z$force_author" : '.*\(<.*\)'` &&
|
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test '' != "$GIT_AUTHOR_NAME" &&
|
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test '' != "$GIT_AUTHOR_EMAIL" ||
|
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die "malformed --author parameter"
|
|
export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL
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|
fi
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|
|
|
PARENTS="-p HEAD"
|
|
if test -z "$initial_commit"
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|
then
|
|
rloga='commit'
|
|
if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
|
|
rloga='commit (merge)'
|
|
PARENTS="-p HEAD "`sed -e 's/^/-p /' "$GIT_DIR/MERGE_HEAD"`
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|
elif test -n "$amend"; then
|
|
rloga='commit (amend)'
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PARENTS=$(git cat-file commit HEAD |
|
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sed -n -e '/^$/q' -e 's/^parent /-p /p')
|
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fi
|
|
current="$(git rev-parse --verify HEAD)"
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else
|
|
if [ -z "$(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)'
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|
current=''
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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"
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|
run_status
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|
} >>"$GIT_DIR"/COMMIT_EDITMSG
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|
else
|
|
# we need to check if there is anything to commit
|
|
run_status >/dev/null
|
|
fi
|
|
if [ "$?" != "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"
|