4eb5aad667
Instead of assuming master is the current branch and origin the right upstream, try to get both dynamically. If the current branch is not tracking any upstream, use the origin of the master branch. Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
57 lines
1.3 KiB
Bash
Executable file
57 lines
1.3 KiB
Bash
Executable file
#!/usr/bin/env bash
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export LANG=C
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export LC_ALL=C
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[ -n "$TOPDIR" ] && cd $TOPDIR
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GET_REV=$1
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try_version() {
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[ -f version ] || return 1
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REV="$(cat version)"
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[ -n "$REV" ]
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}
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try_git() {
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git rev-parse --git-dir >/dev/null 2>&1 || return 1
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[ -n "$GET_REV" ] || GET_REV="HEAD"
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case "$GET_REV" in
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r*)
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GET_REV="$(echo $GET_REV | tr -d 'r')"
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BASE_REV="$(git rev-list reboot..HEAD | wc -l)"
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REV="$(git rev-parse HEAD~$((BASE_REV - GET_REV)))"
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;;
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*)
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BRANCH="$(git rev-parse --abbrev-ref HEAD)"
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ORIGIN="$(git rev-parse --symbolic-full-name ${BRANCH}@{u} 2>/dev/null)"
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[ -n "$ORIGIN" ] || ORIGIN="$(git rev-parse --symbolic-full-name master@{u} 2>/dev/null)"
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REV="$(git rev-list reboot..$GET_REV | wc -l | awk '{print $1}')"
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if [ -n "$ORIGIN" ]; then
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UPSTREAM_BASE="$(git merge-base $GET_REV $ORIGIN)"
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UPSTREAM_REV="$(git rev-list reboot..$UPSTREAM_BASE | wc -l | awk '{print $1}')"
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else
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UPSTREAM_REV=$REV
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fi
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if [ "$REV" -gt "$UPSTREAM_REV" ]; then
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REV="${UPSTREAM_REV}+$((REV - UPSTREAM_REV))"
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fi
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REV="${REV:+r$REV}"
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;;
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esac
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[ -n "$REV" ]
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}
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try_hg() {
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[ -d .hg ] || return 1
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REV="$(hg log -r-1 --template '{desc}' | awk '{print $2}' | sed 's/\].*//')"
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REV="${REV:+r$REV}"
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[ -n "$REV" ]
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}
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try_version || try_git || try_hg || REV="unknown"
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echo "$REV"
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