Keywords expansion with Git

readme.md

git keyword expansions with staging minimum lines

this scripts applies keyword expansions to git cache with minimum lines.

the program of keyword expansions

a bash script to patch keywords expansions with git apply .

you can save this into your .bashrc and use as bash functions.

function gitapplykw_one() {
    if [[ "$1" == -f ]] ; then
        shift 1
    elif [[ "$(file $1)" != *text ]] ; then
        return
    fi
    kw_date=$(date --rfc-3339=seconds)
    kw_rev=$(git count HEAD)-$(git rev-parse --short=10 HEAD)
    #tmp=".tmp/$(echo $1 | sed 's/\//／/g').$(date '+%Y%m%d-%H%M%S')"
    tmp=".tmp/$(echo $1 | sed 's/\//／/g')"
    mkdir -p .tmp
    git show ":$1" > "$tmp"
    sed -i "s/\\\$Date:[-_+ :A-Za-z0-9]*\\\$/\$Date: ${kw_date} \$/" "$tmp"
    sed -i "s/\\\$Rev:[-_+ :A-Za-z0-9]*\\\$/\$Rev: ${kw_rev} \$/" "$tmp"
    git show ":$1" | diff -u /dev/stdin "$tmp" \
    | (echo diff --git a/$1 b/$1
       echo "index 0000..0000 100644"
       echo "--- a/$1"
       echo "+++ b/$1"
       tail -n +3
    ) | tee $tmp.patch | git apply --index  # --cached
}

a sample of commit

search staged files and patch keywords expansions to them.

function gitapplykw() {
    git st -s --ignore-submodules | sed -n 's/^M \+//p' \
    | while read line; do
        gitapplykw_one "$line"
    done
}

function gitcommit() {
    gitapplykw
    git commit $*
}