diff options
Diffstat (limited to 'contrib')
| -rwxr-xr-x | contrib/completion/git-completion.bash | 231 | ||||
| -rw-r--r-- | contrib/credential/osxkeychain/.gitignore | 1 | ||||
| -rw-r--r-- | contrib/credential/osxkeychain/Makefile | 14 | ||||
| -rw-r--r-- | contrib/credential/osxkeychain/git-credential-osxkeychain.c | 173 | ||||
| -rw-r--r-- | contrib/diff-highlight/README | 57 | ||||
| -rwxr-xr-x | contrib/diff-highlight/diff-highlight | 124 | ||||
| -rwxr-xr-x | contrib/fast-import/git-p4 | 513 | ||||
| -rw-r--r-- | contrib/fast-import/git-p4.txt | 289 | ||||
| -rw-r--r-- | contrib/git-jump/README | 92 | ||||
| -rwxr-xr-x | contrib/git-jump/git-jump | 69 |
10 files changed, 1049 insertions, 514 deletions
diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash index 888e8e10cc..78be195838 100755 --- a/contrib/completion/git-completion.bash +++ b/contrib/completion/git-completion.bash @@ -110,7 +110,8 @@ __git_ps1_show_upstream () local upstream=git legacy="" verbose="" # get some config options from git-config - while read key value; do + local output="$(git config -z --get-regexp '^(svn-remote\..*\.url|bash\.showupstream)$' 2>/dev/null | tr '\0\n' '\n ')" + while read -r key value; do case "$key" in bash.showupstream) GIT_PS1_SHOWUPSTREAM="$value" @@ -125,7 +126,7 @@ __git_ps1_show_upstream () upstream=svn+git # default upstream is SVN if available, else git ;; esac - done < <(git config -z --get-regexp '^(svn-remote\..*\.url|bash\.showupstream)$' 2>/dev/null | tr '\0\n' '\n ') + done <<< "$output" # parse configuration values for option in ${GIT_PS1_SHOWUPSTREAM}; do @@ -485,8 +486,13 @@ _get_comp_words_by_ref () fi fi -# __gitcomp accepts 1, 2, 3, or 4 arguments -# generates completion reply with compgen +# Generates completion reply with compgen, appending a space to possible +# completion words, if necessary. +# It accepts 1 to 4 arguments: +# 1: List of possible completion words. +# 2: A prefix to be added to each possible completion word (optional). +# 3: Generate possible completion matches for this word (optional). +# 4: A suffix to be appended to each possible completion word (optional). __gitcomp () { local cur_="$cur" @@ -507,42 +513,49 @@ __gitcomp () esac } -# __git_heads accepts 0 or 1 arguments (to pass to __gitdir) +# Generates completion reply with compgen from newline-separated possible +# completion words by appending a space to all of them. +# It accepts 1 to 4 arguments: +# 1: List of possible completion words, separated by a single newline. +# 2: A prefix to be added to each possible completion word (optional). +# 3: Generate possible completion matches for this word (optional). +# 4: A suffix to be appended to each possible completion word instead of +# the default space (optional). If specified but empty, nothing is +# appended. +__gitcomp_nl () +{ + local s=$'\n' IFS=' '$'\t'$'\n' + local cur_="$cur" suffix=" " + + if [ $# -gt 2 ]; then + cur_="$3" + if [ $# -gt 3 ]; then + suffix="$4" + fi + fi + + IFS=$s + COMPREPLY=($(compgen -P "${2-}" -S "$suffix" -W "$1" -- "$cur_")) +} + __git_heads () { - local cmd i is_hash=y dir="$(__gitdir "${1-}")" + local dir="$(__gitdir)" if [ -d "$dir" ]; then git --git-dir="$dir" for-each-ref --format='%(refname:short)' \ refs/heads return fi - for i in $(git ls-remote "${1-}" 2>/dev/null); do - case "$is_hash,$i" in - y,*) is_hash=n ;; - n,*^{}) is_hash=y ;; - n,refs/heads/*) is_hash=y; echo "${i#refs/heads/}" ;; - n,*) is_hash=y; echo "$i" ;; - esac - done } -# __git_tags accepts 0 or 1 arguments (to pass to __gitdir) __git_tags () { - local cmd i is_hash=y dir="$(__gitdir "${1-}")" + local dir="$(__gitdir)" if [ -d "$dir" ]; then git --git-dir="$dir" for-each-ref --format='%(refname:short)' \ refs/tags return fi - for i in $(git ls-remote "${1-}" 2>/dev/null); do - case "$is_hash,$i" in - y,*) is_hash=n ;; - n,*^{}) is_hash=y ;; - n,refs/tags/*) is_hash=y; echo "${i#refs/tags/}" ;; - n,*) is_hash=y; echo "$i" ;; - esac - done } # __git_refs accepts 0, 1 (to pass to __gitdir), or 2 arguments @@ -550,7 +563,7 @@ __git_tags () # by checkout for tracking branches __git_refs () { - local i is_hash=y dir="$(__gitdir "${1-}")" track="${2-}" + local i hash dir="$(__gitdir "${1-}")" track="${2-}" local format refs if [ -d "$dir" ]; then case "$cur" in @@ -576,7 +589,7 @@ __git_refs () local ref entry git --git-dir="$dir" for-each-ref --shell --format="ref=%(refname:short)" \ "refs/remotes/" | \ - while read entry; do + while read -r entry; do eval "$entry" ref="${ref#*/}" if [[ "$ref" == "$cur"* ]]; then @@ -586,16 +599,27 @@ __git_refs () fi return fi - for i in $(git ls-remote "$dir" 2>/dev/null); do - case "$is_hash,$i" in - y,*) is_hash=n ;; - n,*^{}) is_hash=y ;; - n,refs/tags/*) is_hash=y; echo "${i#refs/tags/}" ;; - n,refs/heads/*) is_hash=y; echo "${i#refs/heads/}" ;; - n,refs/remotes/*) is_hash=y; echo "${i#refs/remotes/}" ;; - n,*) is_hash=y; echo "$i" ;; - esac - done + case "$cur" in + refs|refs/*) + git ls-remote "$dir" "$cur*" 2>/dev/null | \ + while read -r hash i; do + case "$i" in + *^{}) ;; + *) echo "$i" ;; + esac + done + ;; + *) + git ls-remote "$dir" HEAD ORIG_HEAD 'refs/tags/*' 'refs/heads/*' 'refs/remotes/*' 2>/dev/null | \ + while read -r hash i; do + case "$i" in + *^{}) ;; + refs/*) echo "${i#refs/*/}" ;; + *) echo "$i" ;; + esac + done + ;; + esac } # __git_refs2 requires 1 argument (to pass to __git_refs) @@ -610,18 +634,10 @@ __git_refs2 () # __git_refs_remotes requires 1 argument (to pass to ls-remote) __git_refs_remotes () { - local cmd i is_hash=y - for i in $(git ls-remote "$1" 2>/dev/null); do - case "$is_hash,$i" in - n,refs/heads/*) - is_hash=y - echo "$i:refs/remotes/$1/${i#refs/heads/}" - ;; - y,*) is_hash=n ;; - n,*^{}) is_hash=y ;; - n,refs/tags/*) is_hash=y;; - n,*) is_hash=y; ;; - esac + local i hash + git ls-remote "$1" 'refs/heads/*' 2>/dev/null | \ + while read -r hash i; do + echo "$i:refs/remotes/$1/${i#refs/heads/}" done } @@ -711,15 +727,15 @@ __git_complete_revlist_file () *...*) pfx="${cur_%...*}..." cur_="${cur_#*...}" - __gitcomp "$(__git_refs)" "$pfx" "$cur_" + __gitcomp_nl "$(__git_refs)" "$pfx" "$cur_" ;; *..*) pfx="${cur_%..*}.." cur_="${cur_#*..}" - __gitcomp "$(__git_refs)" "$pfx" "$cur_" + __gitcomp_nl "$(__git_refs)" "$pfx" "$cur_" ;; *) - __gitcomp "$(__git_refs)" + __gitcomp_nl "$(__git_refs)" ;; esac } @@ -759,7 +775,7 @@ __git_complete_remote_or_refspec () c=$((++c)) done if [ -z "$remote" ]; then - __gitcomp "$(__git_remotes)" + __gitcomp_nl "$(__git_remotes)" return fi if [ $no_complete_refspec = 1 ]; then @@ -784,23 +800,23 @@ __git_complete_remote_or_refspec () case "$cmd" in fetch) if [ $lhs = 1 ]; then - __gitcomp "$(__git_refs2 "$remote")" "$pfx" "$cur_" + __gitcomp_nl "$(__git_refs2 "$remote")" "$pfx" "$cur_" else - __gitcomp "$(__git_refs)" "$pfx" "$cur_" + __gitcomp_nl "$(__git_refs)" "$pfx" "$cur_" fi ;; pull) if [ $lhs = 1 ]; then - __gitcomp "$(__git_refs "$remote")" "$pfx" "$cur_" + __gitcomp_nl "$(__git_refs "$remote")" "$pfx" "$cur_" else - __gitcomp "$(__git_refs)" "$pfx" "$cur_" + __gitcomp_nl "$(__git_refs)" "$pfx" "$cur_" fi ;; push) if [ $lhs = 1 ]; then - __gitcomp "$(__git_refs)" "$pfx" "$cur_" + __gitcomp_nl "$(__git_refs)" "$pfx" "$cur_" else - __gitcomp "$(__git_refs "$remote")" "$pfx" "$cur_" + __gitcomp_nl "$(__git_refs "$remote")" "$pfx" "$cur_" fi ;; esac @@ -1079,7 +1095,7 @@ _git_archive () return ;; --remote=*) - __gitcomp "$(__git_remotes)" "" "${cur##--remote=}" + __gitcomp_nl "$(__git_remotes)" "" "${cur##--remote=}" return ;; --*) @@ -1110,7 +1126,7 @@ _git_bisect () case "$subcommand" in bad|good|reset|skip|start) - __gitcomp "$(__git_refs)" + __gitcomp_nl "$(__git_refs)" ;; *) COMPREPLY=() @@ -1141,9 +1157,9 @@ _git_branch () ;; *) if [ $only_local_ref = "y" -a $has_r = "n" ]; then - __gitcomp "$(__git_heads)" + __gitcomp_nl "$(__git_heads)" else - __gitcomp "$(__git_refs)" + __gitcomp_nl "$(__git_refs)" fi ;; esac @@ -1190,7 +1206,7 @@ _git_checkout () if [ -n "$(__git_find_on_cmdline "$flags")" ]; then track='' fi - __gitcomp "$(__git_refs '' $track)" + __gitcomp_nl "$(__git_refs '' $track)" ;; esac } @@ -1207,7 +1223,7 @@ _git_cherry_pick () __gitcomp "--edit --no-commit" ;; *) - __gitcomp "$(__git_refs)" + __gitcomp_nl "$(__git_refs)" ;; esac } @@ -1261,7 +1277,7 @@ _git_commit () ;; --reuse-message=*|--reedit-message=*|\ --fixup=*|--squash=*) - __gitcomp "$(__git_refs)" "" "${cur#*=}" + __gitcomp_nl "$(__git_refs)" "" "${cur#*=}" return ;; --untracked-files=*) @@ -1292,7 +1308,7 @@ _git_describe () " return esac - __gitcomp "$(__git_refs)" + __gitcomp_nl "$(__git_refs)" } __git_diff_common_options="--stat --numstat --shortstat --summary @@ -1429,6 +1445,10 @@ _git_gitk () _gitk } +__git_match_ctag() { + awk "/^${1////\\/}/ { print \$1 }" "$2" +} + _git_grep () { __git_has_doubledash && return @@ -1451,7 +1471,16 @@ _git_grep () ;; esac - __gitcomp "$(__git_refs)" + case "$cword,$prev" in + 2,*|*,-*) + if test -r tags; then + __gitcomp_nl "$(__git_match_ctag "$cur" tags)" + return + fi + ;; + esac + + __gitcomp_nl "$(__git_refs)" } _git_help () @@ -1509,7 +1538,7 @@ _git_ls_files () _git_ls_remote () { - __gitcomp "$(__git_remotes)" + __gitcomp_nl "$(__git_remotes)" } _git_ls_tree () @@ -1593,7 +1622,7 @@ _git_log () __git_merge_options=" --no-commit --no-stat --log --no-log --squash --strategy - --commit --stat --no-squash --ff --no-ff --ff-only + --commit --stat --no-squash --ff --no-ff --ff-only --edit --no-edit " _git_merge () @@ -1605,7 +1634,7 @@ _git_merge () __gitcomp "$__git_merge_options" return esac - __gitcomp "$(__git_refs)" + __gitcomp_nl "$(__git_refs)" } _git_mergetool () @@ -1625,7 +1654,7 @@ _git_mergetool () _git_merge_base () { - __gitcomp "$(__git_refs)" + __gitcomp_nl "$(__git_refs)" } _git_mv () @@ -1656,7 +1685,7 @@ _git_notes () ,*) case "${words[cword-1]}" in --ref) - __gitcomp "$(__git_refs)" + __gitcomp_nl "$(__git_refs)" ;; *) __gitcomp "$subcommands --ref" @@ -1665,7 +1694,7 @@ _git_notes () ;; add,--reuse-message=*|append,--reuse-message=*|\ add,--reedit-message=*|append,--reedit-message=*) - __gitcomp "$(__git_refs)" "" "${cur#*=}" + __gitcomp_nl "$(__git_refs)" "" "${cur#*=}" ;; add,--*|append,--*) __gitcomp '--file= --message= --reedit-message= @@ -1684,7 +1713,7 @@ _git_notes () -m|-F) ;; *) - __gitcomp "$(__git_refs)" + __gitcomp_nl "$(__git_refs)" ;; esac ;; @@ -1712,12 +1741,12 @@ _git_push () { case "$prev" in --repo) - __gitcomp "$(__git_remotes)" + __gitcomp_nl "$(__git_remotes)" return esac case "$cur" in --repo=*) - __gitcomp "$(__git_remotes)" "" "${cur##--repo=}" + __gitcomp_nl "$(__git_remotes)" "" "${cur##--repo=}" return ;; --*) @@ -1755,7 +1784,7 @@ _git_rebase () return esac - __gitcomp "$(__git_refs)" + __gitcomp_nl "$(__git_refs)" } _git_reflog () @@ -1766,7 +1795,7 @@ _git_reflog () if [ -z "$subcommand" ]; then __gitcomp "$subcommands" else - __gitcomp "$(__git_refs)" + __gitcomp_nl "$(__git_refs)" fi } @@ -1834,7 +1863,7 @@ __git_config_get_set_variables () done git --git-dir="$(__gitdir)" config $config_file --list 2>/dev/null | - while read line + while read -r line do case "$line" in *.*=*) @@ -1848,23 +1877,27 @@ _git_config () { case "$prev" in branch.*.remote) - __gitcomp "$(__git_remotes)" + __gitcomp_nl "$(__git_remotes)" return ;; branch.*.merge) - __gitcomp "$(__git_refs)" + __gitcomp_nl "$(__git_refs)" return ;; remote.*.fetch) local remote="${prev#remote.}" remote="${remote%.fetch}" - __gitcomp "$(__git_refs_remotes "$remote")" + if [ -z "$cur" ]; then + COMPREPLY=("refs/heads/") + return + fi + __gitcomp_nl "$(__git_refs_remotes "$remote")" return ;; remote.*.push) local remote="${prev#remote.}" remote="${remote%.push}" - __gitcomp "$(git --git-dir="$(__gitdir)" \ + __gitcomp_nl "$(git --git-dir="$(__gitdir)" \ for-each-ref --format='%(refname):%(refname)' \ refs/heads)" return @@ -1911,7 +1944,7 @@ _git_config () return ;; --get|--get-all|--unset|--unset-all) - __gitcomp "$(__git_config_get_set_variables)" + __gitcomp_nl "$(__git_config_get_set_variables)" return ;; *.*) @@ -1937,7 +1970,7 @@ _git_config () ;; branch.*) local pfx="${cur%.*}." cur_="${cur#*.}" - __gitcomp "$(__git_heads)" "$pfx" "$cur_" "." + __gitcomp_nl "$(__git_heads)" "$pfx" "$cur_" "." return ;; guitool.*.*) @@ -1966,7 +1999,7 @@ _git_config () pager.*) local pfx="${cur%.*}." cur_="${cur#*.}" __git_compute_all_commands - __gitcomp "$__git_all_commands" "$pfx" "$cur_" + __gitcomp_nl "$__git_all_commands" "$pfx" "$cur_" return ;; remote.*.*) @@ -1979,7 +2012,7 @@ _git_config () ;; remote.*) local pfx="${cur%.*}." cur_="${cur#*.}" - __gitcomp "$(__git_remotes)" "$pfx" "$cur_" "." + __gitcomp_nl "$(__git_remotes)" "$pfx" "$cur_" "." return ;; url.*.*) @@ -2280,7 +2313,7 @@ _git_remote () case "$subcommand" in rename|rm|show|prune) - __gitcomp "$(__git_remotes)" + __gitcomp_nl "$(__git_remotes)" ;; update) local i c='' IFS=$'\n' @@ -2298,7 +2331,7 @@ _git_remote () _git_replace () { - __gitcomp "$(__git_refs)" + __gitcomp_nl "$(__git_refs)" } _git_reset () @@ -2311,7 +2344,7 @@ _git_reset () return ;; esac - __gitcomp "$(__git_refs)" + __gitcomp_nl "$(__git_refs)" } _git_revert () @@ -2322,7 +2355,7 @@ _git_revert () return ;; esac - __gitcomp "$(__git_refs)" + __gitcomp_nl "$(__git_refs)" } _git_rm () @@ -2421,7 +2454,7 @@ _git_stash () COMPREPLY=() ;; show,*|apply,*|drop,*|pop,*|branch,*) - __gitcomp "$(git --git-dir="$(__gitdir)" stash list \ + __gitcomp_nl "$(git --git-dir="$(__gitdir)" stash list \ | sed -n -e 's/:.*//p')" ;; *) @@ -2555,7 +2588,7 @@ _git_tag () i="${words[c]}" case "$i" in -d|-v) - __gitcomp "$(__git_tags)" + __gitcomp_nl "$(__git_tags)" return ;; -f) @@ -2571,13 +2604,13 @@ _git_tag () ;; -*|tag) if [ $f = 1 ]; then - __gitcomp "$(__git_tags)" + __gitcomp_nl "$(__git_tags)" else COMPREPLY=() fi ;; *) - __gitcomp "$(__git_refs)" + __gitcomp_nl "$(__git_refs)" ;; esac } @@ -2598,6 +2631,10 @@ _git () # workaround zsh's bug that leaves 'words' as a special # variable in versions < 4.3.12 typeset -h words + + # workaround zsh's bug that quotes spaces in the COMPREPLY + # array if IFS doesn't contain spaces. + typeset -h IFS fi local cur words cword prev @@ -2654,6 +2691,10 @@ _gitk () # workaround zsh's bug that leaves 'words' as a special # variable in versions < 4.3.12 typeset -h words + + # workaround zsh's bug that quotes spaces in the COMPREPLY + # array if IFS doesn't contain spaces. + typeset -h IFS fi local cur words cword prev diff --git a/contrib/credential/osxkeychain/.gitignore b/contrib/credential/osxkeychain/.gitignore new file mode 100644 index 0000000000..6c5b7026c5 --- /dev/null +++ b/contrib/credential/osxkeychain/.gitignore @@ -0,0 +1 @@ +git-credential-osxkeychain diff --git a/contrib/credential/osxkeychain/Makefile b/contrib/credential/osxkeychain/Makefile new file mode 100644 index 0000000000..75c07f8be4 --- /dev/null +++ b/contrib/credential/osxkeychain/Makefile @@ -0,0 +1,14 @@ +all:: git-credential-osxkeychain + +CC = gcc +RM = rm -f +CFLAGS = -g -Wall + +git-credential-osxkeychain: git-credential-osxkeychain.o + $(CC) -o $@ $< -Wl,-framework -Wl,Security + +git-credential-osxkeychain.o: git-credential-osxkeychain.c + $(CC) -c $(CFLAGS) $< + +clean: + $(RM) git-credential-osxkeychain git-credential-osxkeychain.o diff --git a/contrib/credential/osxkeychain/git-credential-osxkeychain.c b/contrib/credential/osxkeychain/git-credential-osxkeychain.c new file mode 100644 index 0000000000..6beed123ab --- /dev/null +++ b/contrib/credential/osxkeychain/git-credential-osxkeychain.c @@ -0,0 +1,173 @@ +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <Security/Security.h> + +static SecProtocolType protocol; +static char *host; +static char *path; +static char *username; +static char *password; +static UInt16 port; + +static void die(const char *err, ...) +{ + char msg[4096]; + va_list params; + va_start(params, err); + vsnprintf(msg, sizeof(msg), err, params); + fprintf(stderr, "%s\n", msg); + va_end(params); + exit(1); +} + +static void *xstrdup(const char *s1) +{ + void *ret = strdup(s1); + if (!ret) + die("Out of memory"); + return ret; +} + +#define KEYCHAIN_ITEM(x) (x ? strlen(x) : 0), x +#define KEYCHAIN_ARGS \ + NULL, /* default keychain */ \ + KEYCHAIN_ITEM(host), \ + 0, NULL, /* account domain */ \ + KEYCHAIN_ITEM(username), \ + KEYCHAIN_ITEM(path), \ + port, \ + protocol, \ + kSecAuthenticationTypeDefault + +static void write_item(const char *what, const char *buf, int len) +{ + printf("%s=", what); + fwrite(buf, 1, len, stdout); + putchar('\n'); +} + +static void find_username_in_item(SecKeychainItemRef item) +{ + SecKeychainAttributeList list; + SecKeychainAttribute attr; + + list.count = 1; + list.attr = &attr; + attr.tag = kSecAccountItemAttr; + + if (SecKeychainItemCopyContent(item, NULL, &list, NULL, NULL)) + return; + + write_item("username", attr.data, attr.length); + SecKeychainItemFreeContent(&list, NULL); +} + +static void find_internet_password(void) +{ + void *buf; + UInt32 len; + SecKeychainItemRef item; + + if (SecKeychainFindInternetPassword(KEYCHAIN_ARGS, &len, &buf, &item)) + return; + + write_item("password", buf, len); + if (!username) + find_username_in_item(item); + + SecKeychainItemFreeContent(NULL, buf); +} + +static void delete_internet_password(void) +{ + SecKeychainItemRef item; + + /* + * Require at least a protocol and host for removal, which is what git + * will give us; if you want to do something more fancy, use the + * Keychain manager. + */ + if (!protocol || !host) + return; + + if (SecKeychainFindInternetPassword(KEYCHAIN_ARGS, 0, NULL, &item)) + return; + + SecKeychainItemDelete(item); +} + +static void add_internet_password(void) +{ + /* Only store complete credentials */ + if (!protocol || !host || !username || !password) + return; + + if (SecKeychainAddInternetPassword( + KEYCHAIN_ARGS, + KEYCHAIN_ITEM(password), + NULL)) + return; +} + +static void read_credential(void) +{ + char buf[1024]; + + while (fgets(buf, sizeof(buf), stdin)) { + char *v; + + if (!strcmp(buf, "\n")) + break; + buf[strlen(buf)-1] = '\0'; + + v = strchr(buf, '='); + if (!v) + die("bad input: %s", buf); + *v++ = '\0'; + + if (!strcmp(buf, "protocol")) { + if (!strcmp(v, "https")) + protocol = kSecProtocolTypeHTTPS; + else if (!strcmp(v, "http")) + protocol = kSecProtocolTypeHTTP; + else /* we don't yet handle other protocols */ + exit(0); + } + else if (!strcmp(buf, "host")) { + char *colon = strchr(v, ':'); + if (colon) { + *colon++ = '\0'; + port = atoi(colon); + } + host = xstrdup(v); + } + else if (!strcmp(buf, "path")) + path = xstrdup(v); + else if (!strcmp(buf, "username")) + username = xstrdup(v); + else if (!strcmp(buf, "password")) + password = xstrdup(v); + } +} + +int main(int argc, const char **argv) +{ + const char *usage = + "Usage: git credential-osxkeychain <get|store|erase>"; + + if (!argv[1]) + die(usage); + + read_credential(); + + if (!strcmp(argv[1], "get")) + find_internet_password(); + else if (!strcmp(argv[1], "store")) + add_internet_password(); + else if (!strcmp(argv[1], "erase")) + delete_internet_password(); + /* otherwise, ignore unknown action */ + + return 0; +} diff --git a/contrib/diff-highlight/README b/contrib/diff-highlight/README new file mode 100644 index 0000000000..1b7b6df8eb --- /dev/null +++ b/contrib/diff-highlight/README @@ -0,0 +1,57 @@ +diff-highlight +============== + +Line oriented diffs are great for reviewing code, because for most +hunks, you want to see the old and the new segments of code next to each +other. Sometimes, though, when an old line and a new line are very +similar, it's hard to immediately see the difference. + +You can use "--color-words" to highlight only the changed portions of +lines. However, this can often be hard to read for code, as it loses +the line structure, and you end up with oddly formatted bits. + +Instead, this script post-processes the line-oriented diff, finds pairs +of lines, and highlights the differing segments. It's currently very +simple and stupid about doing these tasks. In particular: + + 1. It will only highlight a pair of lines if they are the only two + lines in a hunk. It could instead try to match up "before" and + "after" lines for a given hunk into pairs of similar lines. + However, this may end up visually distracting, as the paired + lines would have other highlighted lines in between them. And in + practice, the lines which most need attention called to their + small, hard-to-see changes are touching only a single line. + + 2. It will find the common prefix and suffix of two lines, and + consider everything in the middle to be "different". It could + instead do a real diff of the characters between the two lines and + find common subsequences. However, the point of the highlight is to + call attention to a certain area. Even if some small subset of the + highlighted area actually didn't change, that's OK. In practice it + ends up being more readable to just have a single blob on the line + showing the interesting bit. + +The goal of the script is therefore not to be exact about highlighting +changes, but to call attention to areas of interest without being +visually distracting. Non-diff lines and existing diff coloration is +preserved; the intent is that the output should look exactly the same as +the input, except for the occasional highlight. + +Use +--- + +You can try out the diff-highlight program with: + +--------------------------------------------- +git log -p --color | /path/to/diff-highlight +--------------------------------------------- + +If you want to use it all the time, drop it in your $PATH and put the +following in your git configuration: + +--------------------------------------------- +[pager] + log = diff-highlight | less + show = diff-highlight | less + diff = diff-highlight | less +--------------------------------------------- diff --git a/contrib/diff-highlight/diff-highlight b/contrib/diff-highlight/diff-highlight new file mode 100755 index 0000000000..d8938982e4 --- /dev/null +++ b/contrib/diff-highlight/diff-highlight @@ -0,0 +1,124 @@ +#!/usr/bin/perl + +# Highlight by reversing foreground and background. You could do +# other things like bold or underline if you prefer. +my $HIGHLIGHT = "\x1b[7m"; +my $UNHIGHLIGHT = "\x1b[27m"; +my $COLOR = qr/\x1b\[[0-9;]*m/; + +my @window; + +while (<>) { + # We highlight only single-line changes, so we need + # a 4-line window to make a decision on whether + # to highlight. + push @window, $_; + next if @window < 4; + if ($window[0] =~ /^$COLOR*(\@| )/ && + $window[1] =~ /^$COLOR*-/ && + $window[2] =~ /^$COLOR*\+/ && + $window[3] !~ /^$COLOR*\+/) { + print shift @window; + show_pair(shift @window, shift @window); + } + else { + print shift @window; + } + + # Most of the time there is enough output to keep things streaming, + # but for something like "git log -Sfoo", you can get one early + # commit and then many seconds of nothing. We want to show + # that one commit as soon as possible. + # + # Since we can receive arbitrary input, there's no optimal + # place to flush. Flushing on a blank line is a heuristic that + # happens to match git-log output. + if (!length) { + local $| = 1; + } +} + +# Special case a single-line hunk at the end of file. +if (@window == 3 && + $window[0] =~ /^$COLOR*(\@| )/ && + $window[1] =~ /^$COLOR*-/ && + $window[2] =~ /^$COLOR*\+/) { + print shift @window; + show_pair(shift @window, shift @window); +} + +# And then flush any remaining lines. +while (@window) { + print shift @window; +} + +exit 0; + +sub show_pair { + my @a = split_line(shift); + my @b = split_line(shift); + + # Find common prefix, taking care to skip any ansi + # color codes. + my $seen_plusminus; + my ($pa, $pb) = (0, 0); + while ($pa < @a && $pb < @b) { + if ($a[$pa] =~ /$COLOR/) { + $pa++; + } + elsif ($b[$pb] =~ /$COLOR/) { + $pb++; + } + elsif ($a[$pa] eq $b[$pb]) { + $pa++; + $pb++; + } + elsif (!$seen_plusminus && $a[$pa] eq '-' && $b[$pb] eq '+') { + $seen_plusminus = 1; + $pa++; + $pb++; + } + else { + last; + } + } + + # Find common suffix, ignoring colors. + my ($sa, $sb) = ($#a, $#b); + while ($sa >= $pa && $sb >= $pb) { + if ($a[$sa] =~ /$COLOR/) { + $sa--; + } + elsif ($b[$sb] =~ /$COLOR/) { + $sb--; + } + elsif ($a[$sa] eq $b[$sb]) { + $sa--; + $sb--; + } + else { + last; + } + } + + print highlight(\@a, $pa, $sa); + print highlight(\@b, $pb, $sb); +} + +sub split_line { + local $_ = shift; + return map { /$COLOR/ ? $_ : (split //) } + split /($COLOR*)/; +} + +sub highlight { + my ($line, $prefix, $suffix) = @_; + + return join('', + @{$line}[0..($prefix-1)], + $HIGHLIGHT, + @{$line}[$prefix..$suffix], + $UNHIGHLIGHT, + @{$line}[($suffix+1)..$#$line] + ); +} diff --git a/contrib/fast-import/git-p4 b/contrib/fast-import/git-p4 index f885d707c4..27e06c1e9b 100755 --- a/contrib/fast-import/git-p4 +++ b/contrib/fast-import/git-p4 @@ -53,9 +53,10 @@ def p4_build_cmd(cmd): def chdir(dir): # P4 uses the PWD environment variable rather than getcwd(). Since we're - # not using the shell, we have to set it ourselves. - os.environ['PWD']=dir + # not using the shell, we have to set it ourselves. This path could + # be relative, so go there first, then figure out where we ended up. os.chdir(dir) + os.environ['PWD'] = os.getcwd() def die(msg): if verbose: @@ -361,6 +362,11 @@ def isValidGitDir(path): def parseRevision(ref): return read_pipe("git rev-parse %s" % ref).strip() +def branchExists(ref): + rev = read_pipe(["git", "rev-parse", "-q", "--verify", ref], + ignore_error=True) + return len(rev) > 0 + def extractLogMessageFromGitCommit(commit): logMessage = "" @@ -557,6 +563,26 @@ class Command: class P4UserMap: def __init__(self): self.userMapFromPerforceServer = False + self.myP4UserId = None + + def p4UserId(self): + if self.myP4UserId: + return self.myP4UserId + + results = p4CmdList("user -o") + for r in results: + if r.has_key('User'): + self.myP4UserId = r['User'] + return r['User'] + die("Could not find your p4 user id") + + def p4UserIsMe(self, p4User): + # return True if the given p4 user is actually me + me = self.p4UserId() + if not p4User or p4User != me: + return False + else: + return True def getUserCacheFilename(self): home = os.environ.get("HOME", os.environ.get("USERPROFILE")) @@ -694,7 +720,6 @@ class P4Submit(Command, P4UserMap): self.verbose = False self.preserveUser = gitConfig("git-p4.preserveUser").lower() == "true" self.isWindows = (platform.system() == "Windows") - self.myP4UserId = None def check(self): if len(p4CmdList("opened ...")) > 0: @@ -793,7 +818,7 @@ class P4Submit(Command, P4UserMap): def canChangeChangelists(self): # check to see if we have p4 admin or super-user permissions, either of # which are required to modify changelists. - results = p4CmdList("protects %s" % self.depotPath) + results = p4CmdList(["protects", self.depotPath]) for r in results: if r.has_key('perm'): if r['perm'] == 'admin': @@ -802,25 +827,6 @@ class P4Submit(Command, P4UserMap): return 1 return 0 - def p4UserId(self): - if self.myP4UserId: - return self.myP4UserId - - results = p4CmdList("user -o") - for r in results: - if r.has_key('User'): - self.myP4UserId = r['User'] - return r['User'] - die("Could not find your p4 user id") - - def p4UserIsMe(self, p4User): - # return True if the given p4 user is actually me - me = self.p4UserId() - if not p4User or p4User != me: - return False - else: - return True - def prepareSubmitTemplate(self): # remove lines in the Files section that show changes to files outside the depot path we're committing into template = "" @@ -847,6 +853,41 @@ class P4Submit(Command, P4UserMap): return template + def edit_template(self, template_file): + """Invoke the editor to let the user change the submission + message. Return true if okay to continue with the submit.""" + + # if configured to skip the editing part, just submit + if gitConfig("git-p4.skipSubmitEdit") == "true": + return True + + # look at the modification time, to check later if the user saved + # the file + mtime = os.stat(template_file).st_mtime + + # invoke the editor + if os.environ.has_key("P4EDITOR"): + editor = os.environ.get("P4EDITOR") + else: + editor = read_pipe("git var GIT_EDITOR").strip() + system(editor + " " + template_file) + + # If the file was not saved, prompt to see if this patch should + # be skipped. But skip this verification step if configured so. + if gitConfig("git-p4.skipSubmitEditCheck") == "true": + return True + + # modification time updated means user saved the file + if os.stat(template_file).st_mtime > mtime:</ |